1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 25 * Copyright (c) 2011 by Delphix. All rights reserved. 26 * Copyright (c) 2012 by Frederik Wessels. All rights reserved. 27 */ 28 29 #include <assert.h> 30 #include <ctype.h> 31 #include <dirent.h> 32 #include <errno.h> 33 #include <fcntl.h> 34 #include <libgen.h> 35 #include <libintl.h> 36 #include <libuutil.h> 37 #include <locale.h> 38 #include <stdio.h> 39 #include <stdlib.h> 40 #include <string.h> 41 #include <strings.h> 42 #include <unistd.h> 43 #include <priv.h> 44 #include <pwd.h> 45 #include <zone.h> 46 #include <sys/fs/zfs.h> 47 #include <sys/stat.h> 48 49 #include <libzfs.h> 50 51 #include "zpool_util.h" 52 #include "zfs_comutil.h" 53 54 #include "statcommon.h" 55 56 static int zpool_do_create(int, char **); 57 static int zpool_do_destroy(int, char **); 58 59 static int zpool_do_add(int, char **); 60 static int zpool_do_remove(int, char **); 61 62 static int zpool_do_list(int, char **); 63 static int zpool_do_iostat(int, char **); 64 static int zpool_do_status(int, char **); 65 66 static int zpool_do_online(int, char **); 67 static int zpool_do_offline(int, char **); 68 static int zpool_do_clear(int, char **); 69 70 static int zpool_do_reguid(int, char **); 71 72 static int zpool_do_attach(int, char **); 73 static int zpool_do_detach(int, char **); 74 static int zpool_do_replace(int, char **); 75 static int zpool_do_split(int, char **); 76 77 static int zpool_do_scrub(int, char **); 78 79 static int zpool_do_import(int, char **); 80 static int zpool_do_export(int, char **); 81 82 static int zpool_do_upgrade(int, char **); 83 84 static int zpool_do_history(int, char **); 85 86 static int zpool_do_get(int, char **); 87 static int zpool_do_set(int, char **); 88 89 /* 90 * These libumem hooks provide a reasonable set of defaults for the allocator's 91 * debugging facilities. 92 */ 93 94 #ifdef DEBUG 95 const char * 96 _umem_debug_init(void) 97 { 98 return ("default,verbose"); /* $UMEM_DEBUG setting */ 99 } 100 101 const char * 102 _umem_logging_init(void) 103 { 104 return ("fail,contents"); /* $UMEM_LOGGING setting */ 105 } 106 #endif 107 108 typedef enum { 109 HELP_ADD, 110 HELP_ATTACH, 111 HELP_CLEAR, 112 HELP_CREATE, 113 HELP_DESTROY, 114 HELP_DETACH, 115 HELP_EXPORT, 116 HELP_HISTORY, 117 HELP_IMPORT, 118 HELP_IOSTAT, 119 HELP_LIST, 120 HELP_OFFLINE, 121 HELP_ONLINE, 122 HELP_REPLACE, 123 HELP_REMOVE, 124 HELP_SCRUB, 125 HELP_STATUS, 126 HELP_UPGRADE, 127 HELP_GET, 128 HELP_SET, 129 HELP_SPLIT, 130 HELP_REGUID 131 } zpool_help_t; 132 133 134 typedef struct zpool_command { 135 const char *name; 136 int (*func)(int, char **); 137 zpool_help_t usage; 138 } zpool_command_t; 139 140 /* 141 * Master command table. Each ZFS command has a name, associated function, and 142 * usage message. The usage messages need to be internationalized, so we have 143 * to have a function to return the usage message based on a command index. 144 * 145 * These commands are organized according to how they are displayed in the usage 146 * message. An empty command (one with a NULL name) indicates an empty line in 147 * the generic usage message. 148 */ 149 static zpool_command_t command_table[] = { 150 { "create", zpool_do_create, HELP_CREATE }, 151 { "destroy", zpool_do_destroy, HELP_DESTROY }, 152 { NULL }, 153 { "add", zpool_do_add, HELP_ADD }, 154 { "remove", zpool_do_remove, HELP_REMOVE }, 155 { NULL }, 156 { "list", zpool_do_list, HELP_LIST }, 157 { "iostat", zpool_do_iostat, HELP_IOSTAT }, 158 { "status", zpool_do_status, HELP_STATUS }, 159 { NULL }, 160 { "online", zpool_do_online, HELP_ONLINE }, 161 { "offline", zpool_do_offline, HELP_OFFLINE }, 162 { "clear", zpool_do_clear, HELP_CLEAR }, 163 { NULL }, 164 { "attach", zpool_do_attach, HELP_ATTACH }, 165 { "detach", zpool_do_detach, HELP_DETACH }, 166 { "replace", zpool_do_replace, HELP_REPLACE }, 167 { "split", zpool_do_split, HELP_SPLIT }, 168 { NULL }, 169 { "scrub", zpool_do_scrub, HELP_SCRUB }, 170 { NULL }, 171 { "import", zpool_do_import, HELP_IMPORT }, 172 { "export", zpool_do_export, HELP_EXPORT }, 173 { "upgrade", zpool_do_upgrade, HELP_UPGRADE }, 174 { "reguid", zpool_do_reguid, HELP_REGUID }, 175 { NULL }, 176 { "history", zpool_do_history, HELP_HISTORY }, 177 { "get", zpool_do_get, HELP_GET }, 178 { "set", zpool_do_set, HELP_SET }, 179 }; 180 181 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 182 183 zpool_command_t *current_command; 184 static char history_str[HIS_MAX_RECORD_LEN]; 185 186 static uint_t timestamp_fmt = NODATE; 187 188 static const char * 189 get_usage(zpool_help_t idx) { 190 switch (idx) { 191 case HELP_ADD: 192 return (gettext("\tadd [-fn] <pool> <vdev> ...\n")); 193 case HELP_ATTACH: 194 return (gettext("\tattach [-f] <pool> <device> " 195 "<new-device>\n")); 196 case HELP_CLEAR: 197 return (gettext("\tclear [-nF] <pool> [device]\n")); 198 case HELP_CREATE: 199 return (gettext("\tcreate [-fn] [-o property=value] ... \n" 200 "\t [-O file-system-property=value] ... \n" 201 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n")); 202 case HELP_DESTROY: 203 return (gettext("\tdestroy [-f] <pool>\n")); 204 case HELP_DETACH: 205 return (gettext("\tdetach <pool> <device>\n")); 206 case HELP_EXPORT: 207 return (gettext("\texport [-f] <pool> ...\n")); 208 case HELP_HISTORY: 209 return (gettext("\thistory [-il] [<pool>] ...\n")); 210 case HELP_IMPORT: 211 return (gettext("\timport [-d dir] [-D]\n" 212 "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n" 213 "\timport [-o mntopts] [-o property=value] ... \n" 214 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 215 "[-R root] [-F [-n]] -a\n" 216 "\timport [-o mntopts] [-o property=value] ... \n" 217 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 218 "[-R root] [-F [-n]]\n" 219 "\t <pool | id> [newpool]\n")); 220 case HELP_IOSTAT: 221 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval " 222 "[count]]\n")); 223 case HELP_LIST: 224 return (gettext("\tlist [-H] [-o property[,...]] " 225 "[-T d|u] [pool] ... [interval [count]]\n")); 226 case HELP_OFFLINE: 227 return (gettext("\toffline [-t] <pool> <device> ...\n")); 228 case HELP_ONLINE: 229 return (gettext("\tonline <pool> <device> ...\n")); 230 case HELP_REPLACE: 231 return (gettext("\treplace [-f] <pool> <device> " 232 "[new-device]\n")); 233 case HELP_REMOVE: 234 return (gettext("\tremove <pool> <device> ...\n")); 235 case HELP_SCRUB: 236 return (gettext("\tscrub [-s] <pool> ...\n")); 237 case HELP_STATUS: 238 return (gettext("\tstatus [-vx] [-T d|u] [pool] ... [interval " 239 "[count]]\n")); 240 case HELP_UPGRADE: 241 return (gettext("\tupgrade\n" 242 "\tupgrade -v\n" 243 "\tupgrade [-V version] <-a | pool ...>\n")); 244 case HELP_GET: 245 return (gettext("\tget <\"all\" | property[,...]> " 246 "<pool> ...\n")); 247 case HELP_SET: 248 return (gettext("\tset <property=value> <pool> \n")); 249 case HELP_SPLIT: 250 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 251 "\t [-o property=value] <pool> <newpool> " 252 "[<device> ...]\n")); 253 case HELP_REGUID: 254 return (gettext("\treguid <pool>\n")); 255 } 256 257 abort(); 258 /* NOTREACHED */ 259 } 260 261 262 /* 263 * Callback routine that will print out a pool property value. 264 */ 265 static int 266 print_prop_cb(int prop, void *cb) 267 { 268 FILE *fp = cb; 269 270 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 271 272 if (zpool_prop_readonly(prop)) 273 (void) fprintf(fp, " NO "); 274 else 275 (void) fprintf(fp, " YES "); 276 277 if (zpool_prop_values(prop) == NULL) 278 (void) fprintf(fp, "-\n"); 279 else 280 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 281 282 return (ZPROP_CONT); 283 } 284 285 /* 286 * Display usage message. If we're inside a command, display only the usage for 287 * that command. Otherwise, iterate over the entire command table and display 288 * a complete usage message. 289 */ 290 void 291 usage(boolean_t requested) 292 { 293 FILE *fp = requested ? stdout : stderr; 294 295 if (current_command == NULL) { 296 int i; 297 298 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 299 (void) fprintf(fp, 300 gettext("where 'command' is one of the following:\n\n")); 301 302 for (i = 0; i < NCOMMAND; i++) { 303 if (command_table[i].name == NULL) 304 (void) fprintf(fp, "\n"); 305 else 306 (void) fprintf(fp, "%s", 307 get_usage(command_table[i].usage)); 308 } 309 } else { 310 (void) fprintf(fp, gettext("usage:\n")); 311 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 312 } 313 314 if (current_command != NULL && 315 ((strcmp(current_command->name, "set") == 0) || 316 (strcmp(current_command->name, "get") == 0) || 317 (strcmp(current_command->name, "list") == 0))) { 318 319 (void) fprintf(fp, 320 gettext("\nthe following properties are supported:\n")); 321 322 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 323 "PROPERTY", "EDIT", "VALUES"); 324 325 /* Iterate over all properties */ 326 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 327 ZFS_TYPE_POOL); 328 } 329 330 /* 331 * See comments at end of main(). 332 */ 333 if (getenv("ZFS_ABORT") != NULL) { 334 (void) printf("dumping core by request\n"); 335 abort(); 336 } 337 338 exit(requested ? 0 : 2); 339 } 340 341 void 342 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 343 boolean_t print_logs) 344 { 345 nvlist_t **child; 346 uint_t c, children; 347 char *vname; 348 349 if (name != NULL) 350 (void) printf("\t%*s%s\n", indent, "", name); 351 352 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 353 &child, &children) != 0) 354 return; 355 356 for (c = 0; c < children; c++) { 357 uint64_t is_log = B_FALSE; 358 359 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 360 &is_log); 361 if ((is_log && !print_logs) || (!is_log && print_logs)) 362 continue; 363 364 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 365 print_vdev_tree(zhp, vname, child[c], indent + 2, 366 B_FALSE); 367 free(vname); 368 } 369 } 370 371 /* 372 * Add a property pair (name, string-value) into a property nvlist. 373 */ 374 static int 375 add_prop_list(const char *propname, char *propval, nvlist_t **props, 376 boolean_t poolprop) 377 { 378 zpool_prop_t prop = ZPROP_INVAL; 379 zfs_prop_t fprop; 380 nvlist_t *proplist; 381 const char *normnm; 382 char *strval; 383 384 if (*props == NULL && 385 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 386 (void) fprintf(stderr, 387 gettext("internal error: out of memory\n")); 388 return (1); 389 } 390 391 proplist = *props; 392 393 if (poolprop) { 394 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { 395 (void) fprintf(stderr, gettext("property '%s' is " 396 "not a valid pool property\n"), propname); 397 return (2); 398 } 399 normnm = zpool_prop_to_name(prop); 400 } else { 401 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 402 normnm = zfs_prop_to_name(fprop); 403 } else { 404 normnm = propname; 405 } 406 } 407 408 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 409 prop != ZPOOL_PROP_CACHEFILE) { 410 (void) fprintf(stderr, gettext("property '%s' " 411 "specified multiple times\n"), propname); 412 return (2); 413 } 414 415 if (nvlist_add_string(proplist, normnm, propval) != 0) { 416 (void) fprintf(stderr, gettext("internal " 417 "error: out of memory\n")); 418 return (1); 419 } 420 421 return (0); 422 } 423 424 /* 425 * zpool add [-fn] <pool> <vdev> ... 426 * 427 * -f Force addition of devices, even if they appear in use 428 * -n Do not add the devices, but display the resulting layout if 429 * they were to be added. 430 * 431 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 432 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 433 * libzfs. 434 */ 435 int 436 zpool_do_add(int argc, char **argv) 437 { 438 boolean_t force = B_FALSE; 439 boolean_t dryrun = B_FALSE; 440 int c; 441 nvlist_t *nvroot; 442 char *poolname; 443 int ret; 444 zpool_handle_t *zhp; 445 nvlist_t *config; 446 447 /* check options */ 448 while ((c = getopt(argc, argv, "fn")) != -1) { 449 switch (c) { 450 case 'f': 451 force = B_TRUE; 452 break; 453 case 'n': 454 dryrun = B_TRUE; 455 break; 456 case '?': 457 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 458 optopt); 459 usage(B_FALSE); 460 } 461 } 462 463 argc -= optind; 464 argv += optind; 465 466 /* get pool name and check number of arguments */ 467 if (argc < 1) { 468 (void) fprintf(stderr, gettext("missing pool name argument\n")); 469 usage(B_FALSE); 470 } 471 if (argc < 2) { 472 (void) fprintf(stderr, gettext("missing vdev specification\n")); 473 usage(B_FALSE); 474 } 475 476 poolname = argv[0]; 477 478 argc--; 479 argv++; 480 481 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 482 return (1); 483 484 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 485 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 486 poolname); 487 zpool_close(zhp); 488 return (1); 489 } 490 491 /* pass off to get_vdev_spec for processing */ 492 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 493 argc, argv); 494 if (nvroot == NULL) { 495 zpool_close(zhp); 496 return (1); 497 } 498 499 if (dryrun) { 500 nvlist_t *poolnvroot; 501 502 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 503 &poolnvroot) == 0); 504 505 (void) printf(gettext("would update '%s' to the following " 506 "configuration:\n"), zpool_get_name(zhp)); 507 508 /* print original main pool and new tree */ 509 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 510 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 511 512 /* Do the same for the logs */ 513 if (num_logs(poolnvroot) > 0) { 514 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 515 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 516 } else if (num_logs(nvroot) > 0) { 517 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 518 } 519 520 ret = 0; 521 } else { 522 ret = (zpool_add(zhp, nvroot) != 0); 523 } 524 525 nvlist_free(nvroot); 526 zpool_close(zhp); 527 528 return (ret); 529 } 530 531 /* 532 * zpool remove <pool> <vdev> ... 533 * 534 * Removes the given vdev from the pool. Currently, this supports removing 535 * spares, cache, and log devices from the pool. 536 */ 537 int 538 zpool_do_remove(int argc, char **argv) 539 { 540 char *poolname; 541 int i, ret = 0; 542 zpool_handle_t *zhp; 543 544 argc--; 545 argv++; 546 547 /* get pool name and check number of arguments */ 548 if (argc < 1) { 549 (void) fprintf(stderr, gettext("missing pool name argument\n")); 550 usage(B_FALSE); 551 } 552 if (argc < 2) { 553 (void) fprintf(stderr, gettext("missing device\n")); 554 usage(B_FALSE); 555 } 556 557 poolname = argv[0]; 558 559 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 560 return (1); 561 562 for (i = 1; i < argc; i++) { 563 if (zpool_vdev_remove(zhp, argv[i]) != 0) 564 ret = 1; 565 } 566 567 return (ret); 568 } 569 570 /* 571 * zpool create [-fn] [-o property=value] ... 572 * [-O file-system-property=value] ... 573 * [-R root] [-m mountpoint] <pool> <dev> ... 574 * 575 * -f Force creation, even if devices appear in use 576 * -n Do not create the pool, but display the resulting layout if it 577 * were to be created. 578 * -R Create a pool under an alternate root 579 * -m Set default mountpoint for the root dataset. By default it's 580 * '/<pool>' 581 * -o Set property=value. 582 * -O Set fsproperty=value in the pool's root file system 583 * 584 * Creates the named pool according to the given vdev specification. The 585 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once 586 * we get the nvlist back from get_vdev_spec(), we either print out the contents 587 * (if '-n' was specified), or pass it to libzfs to do the creation. 588 */ 589 int 590 zpool_do_create(int argc, char **argv) 591 { 592 boolean_t force = B_FALSE; 593 boolean_t dryrun = B_FALSE; 594 int c; 595 nvlist_t *nvroot = NULL; 596 char *poolname; 597 int ret = 1; 598 char *altroot = NULL; 599 char *mountpoint = NULL; 600 nvlist_t *fsprops = NULL; 601 nvlist_t *props = NULL; 602 char *propval; 603 604 /* check options */ 605 while ((c = getopt(argc, argv, ":fnR:m:o:O:")) != -1) { 606 switch (c) { 607 case 'f': 608 force = B_TRUE; 609 break; 610 case 'n': 611 dryrun = B_TRUE; 612 break; 613 case 'R': 614 altroot = optarg; 615 if (add_prop_list(zpool_prop_to_name( 616 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 617 goto errout; 618 if (nvlist_lookup_string(props, 619 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 620 &propval) == 0) 621 break; 622 if (add_prop_list(zpool_prop_to_name( 623 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 624 goto errout; 625 break; 626 case 'm': 627 mountpoint = optarg; 628 break; 629 case 'o': 630 if ((propval = strchr(optarg, '=')) == NULL) { 631 (void) fprintf(stderr, gettext("missing " 632 "'=' for -o option\n")); 633 goto errout; 634 } 635 *propval = '\0'; 636 propval++; 637 638 if (add_prop_list(optarg, propval, &props, B_TRUE)) 639 goto errout; 640 break; 641 case 'O': 642 if ((propval = strchr(optarg, '=')) == NULL) { 643 (void) fprintf(stderr, gettext("missing " 644 "'=' for -O option\n")); 645 goto errout; 646 } 647 *propval = '\0'; 648 propval++; 649 650 if (add_prop_list(optarg, propval, &fsprops, B_FALSE)) 651 goto errout; 652 break; 653 case ':': 654 (void) fprintf(stderr, gettext("missing argument for " 655 "'%c' option\n"), optopt); 656 goto badusage; 657 case '?': 658 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 659 optopt); 660 goto badusage; 661 } 662 } 663 664 argc -= optind; 665 argv += optind; 666 667 /* get pool name and check number of arguments */ 668 if (argc < 1) { 669 (void) fprintf(stderr, gettext("missing pool name argument\n")); 670 goto badusage; 671 } 672 if (argc < 2) { 673 (void) fprintf(stderr, gettext("missing vdev specification\n")); 674 goto badusage; 675 } 676 677 poolname = argv[0]; 678 679 /* 680 * As a special case, check for use of '/' in the name, and direct the 681 * user to use 'zfs create' instead. 682 */ 683 if (strchr(poolname, '/') != NULL) { 684 (void) fprintf(stderr, gettext("cannot create '%s': invalid " 685 "character '/' in pool name\n"), poolname); 686 (void) fprintf(stderr, gettext("use 'zfs create' to " 687 "create a dataset\n")); 688 goto errout; 689 } 690 691 /* pass off to get_vdev_spec for bulk processing */ 692 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun, 693 argc - 1, argv + 1); 694 if (nvroot == NULL) 695 goto errout; 696 697 /* make_root_vdev() allows 0 toplevel children if there are spares */ 698 if (!zfs_allocatable_devs(nvroot)) { 699 (void) fprintf(stderr, gettext("invalid vdev " 700 "specification: at least one toplevel vdev must be " 701 "specified\n")); 702 goto errout; 703 } 704 705 706 if (altroot != NULL && altroot[0] != '/') { 707 (void) fprintf(stderr, gettext("invalid alternate root '%s': " 708 "must be an absolute path\n"), altroot); 709 goto errout; 710 } 711 712 /* 713 * Check the validity of the mountpoint and direct the user to use the 714 * '-m' mountpoint option if it looks like its in use. 715 */ 716 if (mountpoint == NULL || 717 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 && 718 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) { 719 char buf[MAXPATHLEN]; 720 DIR *dirp; 721 722 if (mountpoint && mountpoint[0] != '/') { 723 (void) fprintf(stderr, gettext("invalid mountpoint " 724 "'%s': must be an absolute path, 'legacy', or " 725 "'none'\n"), mountpoint); 726 goto errout; 727 } 728 729 if (mountpoint == NULL) { 730 if (altroot != NULL) 731 (void) snprintf(buf, sizeof (buf), "%s/%s", 732 altroot, poolname); 733 else 734 (void) snprintf(buf, sizeof (buf), "/%s", 735 poolname); 736 } else { 737 if (altroot != NULL) 738 (void) snprintf(buf, sizeof (buf), "%s%s", 739 altroot, mountpoint); 740 else 741 (void) snprintf(buf, sizeof (buf), "%s", 742 mountpoint); 743 } 744 745 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) { 746 (void) fprintf(stderr, gettext("mountpoint '%s' : " 747 "%s\n"), buf, strerror(errno)); 748 (void) fprintf(stderr, gettext("use '-m' " 749 "option to provide a different default\n")); 750 goto errout; 751 } else if (dirp) { 752 int count = 0; 753 754 while (count < 3 && readdir(dirp) != NULL) 755 count++; 756 (void) closedir(dirp); 757 758 if (count > 2) { 759 (void) fprintf(stderr, gettext("mountpoint " 760 "'%s' exists and is not empty\n"), buf); 761 (void) fprintf(stderr, gettext("use '-m' " 762 "option to provide a " 763 "different default\n")); 764 goto errout; 765 } 766 } 767 } 768 769 if (dryrun) { 770 /* 771 * For a dry run invocation, print out a basic message and run 772 * through all the vdevs in the list and print out in an 773 * appropriate hierarchy. 774 */ 775 (void) printf(gettext("would create '%s' with the " 776 "following layout:\n\n"), poolname); 777 778 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE); 779 if (num_logs(nvroot) > 0) 780 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE); 781 782 ret = 0; 783 } else { 784 /* 785 * Hand off to libzfs. 786 */ 787 if (zpool_create(g_zfs, poolname, 788 nvroot, props, fsprops) == 0) { 789 zfs_handle_t *pool = zfs_open(g_zfs, poolname, 790 ZFS_TYPE_FILESYSTEM); 791 if (pool != NULL) { 792 if (mountpoint != NULL) 793 verify(zfs_prop_set(pool, 794 zfs_prop_to_name( 795 ZFS_PROP_MOUNTPOINT), 796 mountpoint) == 0); 797 if (zfs_mount(pool, NULL, 0) == 0) 798 ret = zfs_shareall(pool); 799 zfs_close(pool); 800 } 801 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) { 802 (void) fprintf(stderr, gettext("pool name may have " 803 "been omitted\n")); 804 } 805 } 806 807 errout: 808 nvlist_free(nvroot); 809 nvlist_free(fsprops); 810 nvlist_free(props); 811 return (ret); 812 badusage: 813 nvlist_free(fsprops); 814 nvlist_free(props); 815 usage(B_FALSE); 816 return (2); 817 } 818 819 /* 820 * zpool destroy <pool> 821 * 822 * -f Forcefully unmount any datasets 823 * 824 * Destroy the given pool. Automatically unmounts any datasets in the pool. 825 */ 826 int 827 zpool_do_destroy(int argc, char **argv) 828 { 829 boolean_t force = B_FALSE; 830 int c; 831 char *pool; 832 zpool_handle_t *zhp; 833 int ret; 834 835 /* check options */ 836 while ((c = getopt(argc, argv, "f")) != -1) { 837 switch (c) { 838 case 'f': 839 force = B_TRUE; 840 break; 841 case '?': 842 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 843 optopt); 844 usage(B_FALSE); 845 } 846 } 847 848 argc -= optind; 849 argv += optind; 850 851 /* check arguments */ 852 if (argc < 1) { 853 (void) fprintf(stderr, gettext("missing pool argument\n")); 854 usage(B_FALSE); 855 } 856 if (argc > 1) { 857 (void) fprintf(stderr, gettext("too many arguments\n")); 858 usage(B_FALSE); 859 } 860 861 pool = argv[0]; 862 863 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 864 /* 865 * As a special case, check for use of '/' in the name, and 866 * direct the user to use 'zfs destroy' instead. 867 */ 868 if (strchr(pool, '/') != NULL) 869 (void) fprintf(stderr, gettext("use 'zfs destroy' to " 870 "destroy a dataset\n")); 871 return (1); 872 } 873 874 if (zpool_disable_datasets(zhp, force) != 0) { 875 (void) fprintf(stderr, gettext("could not destroy '%s': " 876 "could not unmount datasets\n"), zpool_get_name(zhp)); 877 return (1); 878 } 879 880 ret = (zpool_destroy(zhp) != 0); 881 882 zpool_close(zhp); 883 884 return (ret); 885 } 886 887 /* 888 * zpool export [-f] <pool> ... 889 * 890 * -f Forcefully unmount datasets 891 * 892 * Export the given pools. By default, the command will attempt to cleanly 893 * unmount any active datasets within the pool. If the '-f' flag is specified, 894 * then the datasets will be forcefully unmounted. 895 */ 896 int 897 zpool_do_export(int argc, char **argv) 898 { 899 boolean_t force = B_FALSE; 900 boolean_t hardforce = B_FALSE; 901 int c; 902 zpool_handle_t *zhp; 903 int ret; 904 int i; 905 906 /* check options */ 907 while ((c = getopt(argc, argv, "fF")) != -1) { 908 switch (c) { 909 case 'f': 910 force = B_TRUE; 911 break; 912 case 'F': 913 hardforce = B_TRUE; 914 break; 915 case '?': 916 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 917 optopt); 918 usage(B_FALSE); 919 } 920 } 921 922 argc -= optind; 923 argv += optind; 924 925 /* check arguments */ 926 if (argc < 1) { 927 (void) fprintf(stderr, gettext("missing pool argument\n")); 928 usage(B_FALSE); 929 } 930 931 ret = 0; 932 for (i = 0; i < argc; i++) { 933 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) { 934 ret = 1; 935 continue; 936 } 937 938 if (zpool_disable_datasets(zhp, force) != 0) { 939 ret = 1; 940 zpool_close(zhp); 941 continue; 942 } 943 944 if (hardforce) { 945 if (zpool_export_force(zhp) != 0) 946 ret = 1; 947 } else if (zpool_export(zhp, force) != 0) { 948 ret = 1; 949 } 950 951 zpool_close(zhp); 952 } 953 954 return (ret); 955 } 956 957 /* 958 * Given a vdev configuration, determine the maximum width needed for the device 959 * name column. 960 */ 961 static int 962 max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max) 963 { 964 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE); 965 nvlist_t **child; 966 uint_t c, children; 967 int ret; 968 969 if (strlen(name) + depth > max) 970 max = strlen(name) + depth; 971 972 free(name); 973 974 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 975 &child, &children) == 0) { 976 for (c = 0; c < children; c++) 977 if ((ret = max_width(zhp, child[c], depth + 2, 978 max)) > max) 979 max = ret; 980 } 981 982 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 983 &child, &children) == 0) { 984 for (c = 0; c < children; c++) 985 if ((ret = max_width(zhp, child[c], depth + 2, 986 max)) > max) 987 max = ret; 988 } 989 990 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 991 &child, &children) == 0) { 992 for (c = 0; c < children; c++) 993 if ((ret = max_width(zhp, child[c], depth + 2, 994 max)) > max) 995 max = ret; 996 } 997 998 999 return (max); 1000 } 1001 1002 typedef struct spare_cbdata { 1003 uint64_t cb_guid; 1004 zpool_handle_t *cb_zhp; 1005 } spare_cbdata_t; 1006 1007 static boolean_t 1008 find_vdev(nvlist_t *nv, uint64_t search) 1009 { 1010 uint64_t guid; 1011 nvlist_t **child; 1012 uint_t c, children; 1013 1014 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 && 1015 search == guid) 1016 return (B_TRUE); 1017 1018 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1019 &child, &children) == 0) { 1020 for (c = 0; c < children; c++) 1021 if (find_vdev(child[c], search)) 1022 return (B_TRUE); 1023 } 1024 1025 return (B_FALSE); 1026 } 1027 1028 static int 1029 find_spare(zpool_handle_t *zhp, void *data) 1030 { 1031 spare_cbdata_t *cbp = data; 1032 nvlist_t *config, *nvroot; 1033 1034 config = zpool_get_config(zhp, NULL); 1035 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1036 &nvroot) == 0); 1037 1038 if (find_vdev(nvroot, cbp->cb_guid)) { 1039 cbp->cb_zhp = zhp; 1040 return (1); 1041 } 1042 1043 zpool_close(zhp); 1044 return (0); 1045 } 1046 1047 /* 1048 * Print out configuration state as requested by status_callback. 1049 */ 1050 void 1051 print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 1052 int namewidth, int depth, boolean_t isspare) 1053 { 1054 nvlist_t **child; 1055 uint_t c, children; 1056 pool_scan_stat_t *ps = NULL; 1057 vdev_stat_t *vs; 1058 char rbuf[6], wbuf[6], cbuf[6]; 1059 char *vname; 1060 uint64_t notpresent; 1061 spare_cbdata_t cb; 1062 char *state; 1063 1064 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1065 &child, &children) != 0) 1066 children = 0; 1067 1068 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1069 (uint64_t **)&vs, &c) == 0); 1070 1071 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1072 if (isspare) { 1073 /* 1074 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1075 * online drives. 1076 */ 1077 if (vs->vs_aux == VDEV_AUX_SPARED) 1078 state = "INUSE"; 1079 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1080 state = "AVAIL"; 1081 } 1082 1083 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1084 name, state); 1085 1086 if (!isspare) { 1087 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1088 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1089 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1090 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1091 } 1092 1093 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1094 ¬present) == 0) { 1095 char *path; 1096 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 1097 (void) printf(" was %s", path); 1098 } else if (vs->vs_aux != 0) { 1099 (void) printf(" "); 1100 1101 switch (vs->vs_aux) { 1102 case VDEV_AUX_OPEN_FAILED: 1103 (void) printf(gettext("cannot open")); 1104 break; 1105 1106 case VDEV_AUX_BAD_GUID_SUM: 1107 (void) printf(gettext("missing device")); 1108 break; 1109 1110 case VDEV_AUX_NO_REPLICAS: 1111 (void) printf(gettext("insufficient replicas")); 1112 break; 1113 1114 case VDEV_AUX_VERSION_NEWER: 1115 (void) printf(gettext("newer version")); 1116 break; 1117 1118 case VDEV_AUX_SPARED: 1119 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1120 &cb.cb_guid) == 0); 1121 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1122 if (strcmp(zpool_get_name(cb.cb_zhp), 1123 zpool_get_name(zhp)) == 0) 1124 (void) printf(gettext("currently in " 1125 "use")); 1126 else 1127 (void) printf(gettext("in use by " 1128 "pool '%s'"), 1129 zpool_get_name(cb.cb_zhp)); 1130 zpool_close(cb.cb_zhp); 1131 } else { 1132 (void) printf(gettext("currently in use")); 1133 } 1134 break; 1135 1136 case VDEV_AUX_ERR_EXCEEDED: 1137 (void) printf(gettext("too many errors")); 1138 break; 1139 1140 case VDEV_AUX_IO_FAILURE: 1141 (void) printf(gettext("experienced I/O failures")); 1142 break; 1143 1144 case VDEV_AUX_BAD_LOG: 1145 (void) printf(gettext("bad intent log")); 1146 break; 1147 1148 case VDEV_AUX_EXTERNAL: 1149 (void) printf(gettext("external device fault")); 1150 break; 1151 1152 case VDEV_AUX_SPLIT_POOL: 1153 (void) printf(gettext("split into new pool")); 1154 break; 1155 1156 default: 1157 (void) printf(gettext("corrupted data")); 1158 break; 1159 } 1160 } 1161 1162 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1163 (uint64_t **)&ps, &c); 1164 1165 if (ps && ps->pss_state == DSS_SCANNING && 1166 vs->vs_scan_processed != 0 && children == 0) { 1167 (void) printf(gettext(" (%s)"), 1168 (ps->pss_func == POOL_SCAN_RESILVER) ? 1169 "resilvering" : "repairing"); 1170 } 1171 1172 (void) printf("\n"); 1173 1174 for (c = 0; c < children; c++) { 1175 uint64_t islog = B_FALSE, ishole = B_FALSE; 1176 1177 /* Don't print logs or holes here */ 1178 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1179 &islog); 1180 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1181 &ishole); 1182 if (islog || ishole) 1183 continue; 1184 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1185 print_status_config(zhp, vname, child[c], 1186 namewidth, depth + 2, isspare); 1187 free(vname); 1188 } 1189 } 1190 1191 1192 /* 1193 * Print the configuration of an exported pool. Iterate over all vdevs in the 1194 * pool, printing out the name and status for each one. 1195 */ 1196 void 1197 print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1198 { 1199 nvlist_t **child; 1200 uint_t c, children; 1201 vdev_stat_t *vs; 1202 char *type, *vname; 1203 1204 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1205 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1206 strcmp(type, VDEV_TYPE_HOLE) == 0) 1207 return; 1208 1209 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1210 (uint64_t **)&vs, &c) == 0); 1211 1212 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1213 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1214 1215 if (vs->vs_aux != 0) { 1216 (void) printf(" "); 1217 1218 switch (vs->vs_aux) { 1219 case VDEV_AUX_OPEN_FAILED: 1220 (void) printf(gettext("cannot open")); 1221 break; 1222 1223 case VDEV_AUX_BAD_GUID_SUM: 1224 (void) printf(gettext("missing device")); 1225 break; 1226 1227 case VDEV_AUX_NO_REPLICAS: 1228 (void) printf(gettext("insufficient replicas")); 1229 break; 1230 1231 case VDEV_AUX_VERSION_NEWER: 1232 (void) printf(gettext("newer version")); 1233 break; 1234 1235 case VDEV_AUX_ERR_EXCEEDED: 1236 (void) printf(gettext("too many errors")); 1237 break; 1238 1239 default: 1240 (void) printf(gettext("corrupted data")); 1241 break; 1242 } 1243 } 1244 (void) printf("\n"); 1245 1246 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1247 &child, &children) != 0) 1248 return; 1249 1250 for (c = 0; c < children; c++) { 1251 uint64_t is_log = B_FALSE; 1252 1253 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1254 &is_log); 1255 if (is_log) 1256 continue; 1257 1258 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1259 print_import_config(vname, child[c], namewidth, depth + 2); 1260 free(vname); 1261 } 1262 1263 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1264 &child, &children) == 0) { 1265 (void) printf(gettext("\tcache\n")); 1266 for (c = 0; c < children; c++) { 1267 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1268 (void) printf("\t %s\n", vname); 1269 free(vname); 1270 } 1271 } 1272 1273 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1274 &child, &children) == 0) { 1275 (void) printf(gettext("\tspares\n")); 1276 for (c = 0; c < children; c++) { 1277 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1278 (void) printf("\t %s\n", vname); 1279 free(vname); 1280 } 1281 } 1282 } 1283 1284 /* 1285 * Print log vdevs. 1286 * Logs are recorded as top level vdevs in the main pool child array 1287 * but with "is_log" set to 1. We use either print_status_config() or 1288 * print_import_config() to print the top level logs then any log 1289 * children (eg mirrored slogs) are printed recursively - which 1290 * works because only the top level vdev is marked "is_log" 1291 */ 1292 static void 1293 print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1294 { 1295 uint_t c, children; 1296 nvlist_t **child; 1297 1298 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1299 &children) != 0) 1300 return; 1301 1302 (void) printf(gettext("\tlogs\n")); 1303 1304 for (c = 0; c < children; c++) { 1305 uint64_t is_log = B_FALSE; 1306 char *name; 1307 1308 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1309 &is_log); 1310 if (!is_log) 1311 continue; 1312 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1313 if (verbose) 1314 print_status_config(zhp, name, child[c], namewidth, 1315 2, B_FALSE); 1316 else 1317 print_import_config(name, child[c], namewidth, 2); 1318 free(name); 1319 } 1320 } 1321 1322 /* 1323 * Display the status for the given pool. 1324 */ 1325 static void 1326 show_import(nvlist_t *config) 1327 { 1328 uint64_t pool_state; 1329 vdev_stat_t *vs; 1330 char *name; 1331 uint64_t guid; 1332 char *msgid; 1333 nvlist_t *nvroot; 1334 int reason; 1335 const char *health; 1336 uint_t vsc; 1337 int namewidth; 1338 char *comment; 1339 1340 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1341 &name) == 0); 1342 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1343 &guid) == 0); 1344 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1345 &pool_state) == 0); 1346 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1347 &nvroot) == 0); 1348 1349 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1350 (uint64_t **)&vs, &vsc) == 0); 1351 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1352 1353 reason = zpool_import_status(config, &msgid); 1354 1355 (void) printf(gettext(" pool: %s\n"), name); 1356 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1357 (void) printf(gettext(" state: %s"), health); 1358 if (pool_state == POOL_STATE_DESTROYED) 1359 (void) printf(gettext(" (DESTROYED)")); 1360 (void) printf("\n"); 1361 1362 switch (reason) { 1363 case ZPOOL_STATUS_MISSING_DEV_R: 1364 case ZPOOL_STATUS_MISSING_DEV_NR: 1365 case ZPOOL_STATUS_BAD_GUID_SUM: 1366 (void) printf(gettext(" status: One or more devices are " 1367 "missing from the system.\n")); 1368 break; 1369 1370 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1371 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1372 (void) printf(gettext(" status: One or more devices contains " 1373 "corrupted data.\n")); 1374 break; 1375 1376 case ZPOOL_STATUS_CORRUPT_DATA: 1377 (void) printf( 1378 gettext(" status: The pool data is corrupted.\n")); 1379 break; 1380 1381 case ZPOOL_STATUS_OFFLINE_DEV: 1382 (void) printf(gettext(" status: One or more devices " 1383 "are offlined.\n")); 1384 break; 1385 1386 case ZPOOL_STATUS_CORRUPT_POOL: 1387 (void) printf(gettext(" status: The pool metadata is " 1388 "corrupted.\n")); 1389 break; 1390 1391 case ZPOOL_STATUS_VERSION_OLDER: 1392 (void) printf(gettext(" status: The pool is formatted using an " 1393 "older on-disk version.\n")); 1394 break; 1395 1396 case ZPOOL_STATUS_VERSION_NEWER: 1397 (void) printf(gettext(" status: The pool is formatted using an " 1398 "incompatible version.\n")); 1399 break; 1400 1401 case ZPOOL_STATUS_HOSTID_MISMATCH: 1402 (void) printf(gettext(" status: The pool was last accessed by " 1403 "another system.\n")); 1404 break; 1405 1406 case ZPOOL_STATUS_FAULTED_DEV_R: 1407 case ZPOOL_STATUS_FAULTED_DEV_NR: 1408 (void) printf(gettext(" status: One or more devices are " 1409 "faulted.\n")); 1410 break; 1411 1412 case ZPOOL_STATUS_BAD_LOG: 1413 (void) printf(gettext(" status: An intent log record cannot be " 1414 "read.\n")); 1415 break; 1416 1417 case ZPOOL_STATUS_RESILVERING: 1418 (void) printf(gettext(" status: One or more devices were being " 1419 "resilvered.\n")); 1420 break; 1421 1422 default: 1423 /* 1424 * No other status can be seen when importing pools. 1425 */ 1426 assert(reason == ZPOOL_STATUS_OK); 1427 } 1428 1429 /* 1430 * Print out an action according to the overall state of the pool. 1431 */ 1432 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1433 if (reason == ZPOOL_STATUS_VERSION_OLDER) 1434 (void) printf(gettext(" action: The pool can be " 1435 "imported using its name or numeric identifier, " 1436 "though\n\tsome features will not be available " 1437 "without an explicit 'zpool upgrade'.\n")); 1438 else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) 1439 (void) printf(gettext(" action: The pool can be " 1440 "imported using its name or numeric " 1441 "identifier and\n\tthe '-f' flag.\n")); 1442 else 1443 (void) printf(gettext(" action: The pool can be " 1444 "imported using its name or numeric " 1445 "identifier.\n")); 1446 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1447 (void) printf(gettext(" action: The pool can be imported " 1448 "despite missing or damaged devices. The\n\tfault " 1449 "tolerance of the pool may be compromised if imported.\n")); 1450 } else { 1451 switch (reason) { 1452 case ZPOOL_STATUS_VERSION_NEWER: 1453 (void) printf(gettext(" action: The pool cannot be " 1454 "imported. Access the pool on a system running " 1455 "newer\n\tsoftware, or recreate the pool from " 1456 "backup.\n")); 1457 break; 1458 case ZPOOL_STATUS_MISSING_DEV_R: 1459 case ZPOOL_STATUS_MISSING_DEV_NR: 1460 case ZPOOL_STATUS_BAD_GUID_SUM: 1461 (void) printf(gettext(" action: The pool cannot be " 1462 "imported. Attach the missing\n\tdevices and try " 1463 "again.\n")); 1464 break; 1465 default: 1466 (void) printf(gettext(" action: The pool cannot be " 1467 "imported due to damaged devices or data.\n")); 1468 } 1469 } 1470 1471 /* Print the comment attached to the pool. */ 1472 if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0) 1473 (void) printf(gettext("comment: %s\n"), comment); 1474 1475 /* 1476 * If the state is "closed" or "can't open", and the aux state 1477 * is "corrupt data": 1478 */ 1479 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1480 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1481 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1482 if (pool_state == POOL_STATE_DESTROYED) 1483 (void) printf(gettext("\tThe pool was destroyed, " 1484 "but can be imported using the '-Df' flags.\n")); 1485 else if (pool_state != POOL_STATE_EXPORTED) 1486 (void) printf(gettext("\tThe pool may be active on " 1487 "another system, but can be imported using\n\t" 1488 "the '-f' flag.\n")); 1489 } 1490 1491 if (msgid != NULL) 1492 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 1493 msgid); 1494 1495 (void) printf(gettext(" config:\n\n")); 1496 1497 namewidth = max_width(NULL, nvroot, 0, 0); 1498 if (namewidth < 10) 1499 namewidth = 10; 1500 1501 print_import_config(name, nvroot, namewidth, 0); 1502 if (num_logs(nvroot) > 0) 1503 print_logs(NULL, nvroot, namewidth, B_FALSE); 1504 1505 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1506 (void) printf(gettext("\n\tAdditional devices are known to " 1507 "be part of this pool, though their\n\texact " 1508 "configuration cannot be determined.\n")); 1509 } 1510 } 1511 1512 /* 1513 * Perform the import for the given configuration. This passes the heavy 1514 * lifting off to zpool_import_props(), and then mounts the datasets contained 1515 * within the pool. 1516 */ 1517 static int 1518 do_import(nvlist_t *config, const char *newname, const char *mntopts, 1519 nvlist_t *props, int flags) 1520 { 1521 zpool_handle_t *zhp; 1522 char *name; 1523 uint64_t state; 1524 uint64_t version; 1525 1526 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1527 &name) == 0); 1528 1529 verify(nvlist_lookup_uint64(config, 1530 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1531 verify(nvlist_lookup_uint64(config, 1532 ZPOOL_CONFIG_VERSION, &version) == 0); 1533 if (version > SPA_VERSION) { 1534 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1535 "is formatted using a newer ZFS version\n"), name); 1536 return (1); 1537 } else if (state != POOL_STATE_EXPORTED && 1538 !(flags & ZFS_IMPORT_ANY_HOST)) { 1539 uint64_t hostid; 1540 1541 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1542 &hostid) == 0) { 1543 if ((unsigned long)hostid != gethostid()) { 1544 char *hostname; 1545 uint64_t timestamp; 1546 time_t t; 1547 1548 verify(nvlist_lookup_string(config, 1549 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1550 verify(nvlist_lookup_uint64(config, 1551 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1552 t = timestamp; 1553 (void) fprintf(stderr, gettext("cannot import " 1554 "'%s': pool may be in use from other " 1555 "system, it was last accessed by %s " 1556 "(hostid: 0x%lx) on %s"), name, hostname, 1557 (unsigned long)hostid, 1558 asctime(localtime(&t))); 1559 (void) fprintf(stderr, gettext("use '-f' to " 1560 "import anyway\n")); 1561 return (1); 1562 } 1563 } else { 1564 (void) fprintf(stderr, gettext("cannot import '%s': " 1565 "pool may be in use from other system\n"), name); 1566 (void) fprintf(stderr, gettext("use '-f' to import " 1567 "anyway\n")); 1568 return (1); 1569 } 1570 } 1571 1572 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1573 return (1); 1574 1575 if (newname != NULL) 1576 name = (char *)newname; 1577 1578 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1579 return (1); 1580 1581 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1582 !(flags & ZFS_IMPORT_ONLY) && 1583 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1584 zpool_close(zhp); 1585 return (1); 1586 } 1587 1588 zpool_close(zhp); 1589 return (0); 1590 } 1591 1592 /* 1593 * zpool import [-d dir] [-D] 1594 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1595 * [-d dir | -c cachefile] [-f] -a 1596 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1597 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1598 * 1599 * -c Read pool information from a cachefile instead of searching 1600 * devices. 1601 * 1602 * -d Scan in a specific directory, other than /dev/dsk. More than 1603 * one directory can be specified using multiple '-d' options. 1604 * 1605 * -D Scan for previously destroyed pools or import all or only 1606 * specified destroyed pools. 1607 * 1608 * -R Temporarily import the pool, with all mountpoints relative to 1609 * the given root. The pool will remain exported when the machine 1610 * is rebooted. 1611 * 1612 * -V Import even in the presence of faulted vdevs. This is an 1613 * intentionally undocumented option for testing purposes, and 1614 * treats the pool configuration as complete, leaving any bad 1615 * vdevs in the FAULTED state. In other words, it does verbatim 1616 * import. 1617 * 1618 * -f Force import, even if it appears that the pool is active. 1619 * 1620 * -F Attempt rewind if necessary. 1621 * 1622 * -n See if rewind would work, but don't actually rewind. 1623 * 1624 * -N Import the pool but don't mount datasets. 1625 * 1626 * -T Specify a starting txg to use for import. This option is 1627 * intentionally undocumented option for testing purposes. 1628 * 1629 * -a Import all pools found. 1630 * 1631 * -o Set property=value and/or temporary mount options (without '='). 1632 * 1633 * The import command scans for pools to import, and import pools based on pool 1634 * name and GUID. The pool can also be renamed as part of the import process. 1635 */ 1636 int 1637 zpool_do_import(int argc, char **argv) 1638 { 1639 char **searchdirs = NULL; 1640 int nsearch = 0; 1641 int c; 1642 int err = 0; 1643 nvlist_t *pools = NULL; 1644 boolean_t do_all = B_FALSE; 1645 boolean_t do_destroyed = B_FALSE; 1646 char *mntopts = NULL; 1647 nvpair_t *elem; 1648 nvlist_t *config; 1649 uint64_t searchguid = 0; 1650 char *searchname = NULL; 1651 char *propval; 1652 nvlist_t *found_config; 1653 nvlist_t *policy = NULL; 1654 nvlist_t *props = NULL; 1655 boolean_t first; 1656 int flags = ZFS_IMPORT_NORMAL; 1657 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1658 boolean_t dryrun = B_FALSE; 1659 boolean_t do_rewind = B_FALSE; 1660 boolean_t xtreme_rewind = B_FALSE; 1661 uint64_t pool_state, txg = -1ULL; 1662 char *cachefile = NULL; 1663 importargs_t idata = { 0 }; 1664 char *endptr; 1665 1666 /* check options */ 1667 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:rR:T:VX")) != -1) { 1668 switch (c) { 1669 case 'a': 1670 do_all = B_TRUE; 1671 break; 1672 case 'c': 1673 cachefile = optarg; 1674 break; 1675 case 'd': 1676 if (searchdirs == NULL) { 1677 searchdirs = safe_malloc(sizeof (char *)); 1678 } else { 1679 char **tmp = safe_malloc((nsearch + 1) * 1680 sizeof (char *)); 1681 bcopy(searchdirs, tmp, nsearch * 1682 sizeof (char *)); 1683 free(searchdirs); 1684 searchdirs = tmp; 1685 } 1686 searchdirs[nsearch++] = optarg; 1687 break; 1688 case 'D': 1689 do_destroyed = B_TRUE; 1690 break; 1691 case 'f': 1692 flags |= ZFS_IMPORT_ANY_HOST; 1693 break; 1694 case 'F': 1695 do_rewind = B_TRUE; 1696 break; 1697 case 'm': 1698 flags |= ZFS_IMPORT_MISSING_LOG; 1699 break; 1700 case 'n': 1701 dryrun = B_TRUE; 1702 break; 1703 case 'N': 1704 flags |= ZFS_IMPORT_ONLY; 1705 break; 1706 case 'o': 1707 if ((propval = strchr(optarg, '=')) != NULL) { 1708 *propval = '\0'; 1709 propval++; 1710 if (add_prop_list(optarg, propval, 1711 &props, B_TRUE)) 1712 goto error; 1713 } else { 1714 mntopts = optarg; 1715 } 1716 break; 1717 case 'R': 1718 if (add_prop_list(zpool_prop_to_name( 1719 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1720 goto error; 1721 if (nvlist_lookup_string(props, 1722 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1723 &propval) == 0) 1724 break; 1725 if (add_prop_list(zpool_prop_to_name( 1726 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1727 goto error; 1728 break; 1729 case 'T': 1730 errno = 0; 1731 txg = strtoull(optarg, &endptr, 10); 1732 if (errno != 0 || *endptr != '\0') { 1733 (void) fprintf(stderr, 1734 gettext("invalid txg value\n")); 1735 usage(B_FALSE); 1736 } 1737 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND; 1738 break; 1739 case 'V': 1740 flags |= ZFS_IMPORT_VERBATIM; 1741 break; 1742 case 'X': 1743 xtreme_rewind = B_TRUE; 1744 break; 1745 case ':': 1746 (void) fprintf(stderr, gettext("missing argument for " 1747 "'%c' option\n"), optopt); 1748 usage(B_FALSE); 1749 break; 1750 case '?': 1751 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1752 optopt); 1753 usage(B_FALSE); 1754 } 1755 } 1756 1757 argc -= optind; 1758 argv += optind; 1759 1760 if (cachefile && nsearch != 0) { 1761 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1762 usage(B_FALSE); 1763 } 1764 1765 if ((dryrun || xtreme_rewind) && !do_rewind) { 1766 (void) fprintf(stderr, 1767 gettext("-n or -X only meaningful with -F\n")); 1768 usage(B_FALSE); 1769 } 1770 if (dryrun) 1771 rewind_policy = ZPOOL_TRY_REWIND; 1772 else if (do_rewind) 1773 rewind_policy = ZPOOL_DO_REWIND; 1774 if (xtreme_rewind) 1775 rewind_policy |= ZPOOL_EXTREME_REWIND; 1776 1777 /* In the future, we can capture further policy and include it here */ 1778 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1779 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 || 1780 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1781 goto error; 1782 1783 if (searchdirs == NULL) { 1784 searchdirs = safe_malloc(sizeof (char *)); 1785 searchdirs[0] = "/dev/dsk"; 1786 nsearch = 1; 1787 } 1788 1789 /* check argument count */ 1790 if (do_all) { 1791 if (argc != 0) { 1792 (void) fprintf(stderr, gettext("too many arguments\n")); 1793 usage(B_FALSE); 1794 } 1795 } else { 1796 if (argc > 2) { 1797 (void) fprintf(stderr, gettext("too many arguments\n")); 1798 usage(B_FALSE); 1799 } 1800 1801 /* 1802 * Check for the SYS_CONFIG privilege. We do this explicitly 1803 * here because otherwise any attempt to discover pools will 1804 * silently fail. 1805 */ 1806 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1807 (void) fprintf(stderr, gettext("cannot " 1808 "discover pools: permission denied\n")); 1809 free(searchdirs); 1810 nvlist_free(policy); 1811 return (1); 1812 } 1813 } 1814 1815 /* 1816 * Depending on the arguments given, we do one of the following: 1817 * 1818 * <none> Iterate through all pools and display information about 1819 * each one. 1820 * 1821 * -a Iterate through all pools and try to import each one. 1822 * 1823 * <id> Find the pool that corresponds to the given GUID/pool 1824 * name and import that one. 1825 * 1826 * -D Above options applies only to destroyed pools. 1827 */ 1828 if (argc != 0) { 1829 char *endptr; 1830 1831 errno = 0; 1832 searchguid = strtoull(argv[0], &endptr, 10); 1833 if (errno != 0 || *endptr != '\0') 1834 searchname = argv[0]; 1835 found_config = NULL; 1836 1837 /* 1838 * User specified a name or guid. Ensure it's unique. 1839 */ 1840 idata.unique = B_TRUE; 1841 } 1842 1843 1844 idata.path = searchdirs; 1845 idata.paths = nsearch; 1846 idata.poolname = searchname; 1847 idata.guid = searchguid; 1848 idata.cachefile = cachefile; 1849 1850 pools = zpool_search_import(g_zfs, &idata); 1851 1852 if (pools != NULL && idata.exists && 1853 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 1854 (void) fprintf(stderr, gettext("cannot import '%s': " 1855 "a pool with that name already exists\n"), 1856 argv[0]); 1857 (void) fprintf(stderr, gettext("use the form '%s " 1858 "<pool | id> <newpool>' to give it a new name\n"), 1859 "zpool import"); 1860 err = 1; 1861 } else if (pools == NULL && idata.exists) { 1862 (void) fprintf(stderr, gettext("cannot import '%s': " 1863 "a pool with that name is already created/imported,\n"), 1864 argv[0]); 1865 (void) fprintf(stderr, gettext("and no additional pools " 1866 "with that name were found\n")); 1867 err = 1; 1868 } else if (pools == NULL) { 1869 if (argc != 0) { 1870 (void) fprintf(stderr, gettext("cannot import '%s': " 1871 "no such pool available\n"), argv[0]); 1872 } 1873 err = 1; 1874 } 1875 1876 if (err == 1) { 1877 free(searchdirs); 1878 nvlist_free(policy); 1879 return (1); 1880 } 1881 1882 /* 1883 * At this point we have a list of import candidate configs. Even if 1884 * we were searching by pool name or guid, we still need to 1885 * post-process the list to deal with pool state and possible 1886 * duplicate names. 1887 */ 1888 err = 0; 1889 elem = NULL; 1890 first = B_TRUE; 1891 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 1892 1893 verify(nvpair_value_nvlist(elem, &config) == 0); 1894 1895 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1896 &pool_state) == 0); 1897 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 1898 continue; 1899 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 1900 continue; 1901 1902 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 1903 policy) == 0); 1904 1905 if (argc == 0) { 1906 if (first) 1907 first = B_FALSE; 1908 else if (!do_all) 1909 (void) printf("\n"); 1910 1911 if (do_all) { 1912 err |= do_import(config, NULL, mntopts, 1913 props, flags); 1914 } else { 1915 show_import(config); 1916 } 1917 } else if (searchname != NULL) { 1918 char *name; 1919 1920 /* 1921 * We are searching for a pool based on name. 1922 */ 1923 verify(nvlist_lookup_string(config, 1924 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 1925 1926 if (strcmp(name, searchname) == 0) { 1927 if (found_config != NULL) { 1928 (void) fprintf(stderr, gettext( 1929 "cannot import '%s': more than " 1930 "one matching pool\n"), searchname); 1931 (void) fprintf(stderr, gettext( 1932 "import by numeric ID instead\n")); 1933 err = B_TRUE; 1934 } 1935 found_config = config; 1936 } 1937 } else { 1938 uint64_t guid; 1939 1940 /* 1941 * Search for a pool by guid. 1942 */ 1943 verify(nvlist_lookup_uint64(config, 1944 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 1945 1946 if (guid == searchguid) 1947 found_config = config; 1948 } 1949 } 1950 1951 /* 1952 * If we were searching for a specific pool, verify that we found a 1953 * pool, and then do the import. 1954 */ 1955 if (argc != 0 && err == 0) { 1956 if (found_config == NULL) { 1957 (void) fprintf(stderr, gettext("cannot import '%s': " 1958 "no such pool available\n"), argv[0]); 1959 err = B_TRUE; 1960 } else { 1961 err |= do_import(found_config, argc == 1 ? NULL : 1962 argv[1], mntopts, props, flags); 1963 } 1964 } 1965 1966 /* 1967 * If we were just looking for pools, report an error if none were 1968 * found. 1969 */ 1970 if (argc == 0 && first) 1971 (void) fprintf(stderr, 1972 gettext("no pools available to import\n")); 1973 1974 error: 1975 nvlist_free(props); 1976 nvlist_free(pools); 1977 nvlist_free(policy); 1978 free(searchdirs); 1979 1980 return (err ? 1 : 0); 1981 } 1982 1983 typedef struct iostat_cbdata { 1984 zpool_list_t *cb_list; 1985 int cb_verbose; 1986 int cb_iteration; 1987 int cb_namewidth; 1988 } iostat_cbdata_t; 1989 1990 static void 1991 print_iostat_separator(iostat_cbdata_t *cb) 1992 { 1993 int i = 0; 1994 1995 for (i = 0; i < cb->cb_namewidth; i++) 1996 (void) printf("-"); 1997 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 1998 } 1999 2000 static void 2001 print_iostat_header(iostat_cbdata_t *cb) 2002 { 2003 (void) printf("%*s capacity operations bandwidth\n", 2004 cb->cb_namewidth, ""); 2005 (void) printf("%-*s alloc free read write read write\n", 2006 cb->cb_namewidth, "pool"); 2007 print_iostat_separator(cb); 2008 } 2009 2010 /* 2011 * Display a single statistic. 2012 */ 2013 static void 2014 print_one_stat(uint64_t value) 2015 { 2016 char buf[64]; 2017 2018 zfs_nicenum(value, buf, sizeof (buf)); 2019 (void) printf(" %5s", buf); 2020 } 2021 2022 /* 2023 * Print out all the statistics for the given vdev. This can either be the 2024 * toplevel configuration, or called recursively. If 'name' is NULL, then this 2025 * is a verbose output, and we don't want to display the toplevel pool stats. 2026 */ 2027 void 2028 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 2029 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 2030 { 2031 nvlist_t **oldchild, **newchild; 2032 uint_t c, children; 2033 vdev_stat_t *oldvs, *newvs; 2034 vdev_stat_t zerovs = { 0 }; 2035 uint64_t tdelta; 2036 double scale; 2037 char *vname; 2038 2039 if (oldnv != NULL) { 2040 verify(nvlist_lookup_uint64_array(oldnv, 2041 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2042 } else { 2043 oldvs = &zerovs; 2044 } 2045 2046 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2047 (uint64_t **)&newvs, &c) == 0); 2048 2049 if (strlen(name) + depth > cb->cb_namewidth) 2050 (void) printf("%*s%s", depth, "", name); 2051 else 2052 (void) printf("%*s%s%*s", depth, "", name, 2053 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2054 2055 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2056 2057 if (tdelta == 0) 2058 scale = 1.0; 2059 else 2060 scale = (double)NANOSEC / tdelta; 2061 2062 /* only toplevel vdevs have capacity stats */ 2063 if (newvs->vs_space == 0) { 2064 (void) printf(" - -"); 2065 } else { 2066 print_one_stat(newvs->vs_alloc); 2067 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2068 } 2069 2070 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2071 oldvs->vs_ops[ZIO_TYPE_READ]))); 2072 2073 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2074 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2075 2076 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2077 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2078 2079 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2080 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2081 2082 (void) printf("\n"); 2083 2084 if (!cb->cb_verbose) 2085 return; 2086 2087 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2088 &newchild, &children) != 0) 2089 return; 2090 2091 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2092 &oldchild, &c) != 0) 2093 return; 2094 2095 for (c = 0; c < children; c++) { 2096 uint64_t ishole = B_FALSE, islog = B_FALSE; 2097 2098 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE, 2099 &ishole); 2100 2101 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG, 2102 &islog); 2103 2104 if (ishole || islog) 2105 continue; 2106 2107 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2108 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2109 newchild[c], cb, depth + 2); 2110 free(vname); 2111 } 2112 2113 /* 2114 * Log device section 2115 */ 2116 2117 if (num_logs(newnv) > 0) { 2118 (void) printf("%-*s - - - - - " 2119 "-\n", cb->cb_namewidth, "logs"); 2120 2121 for (c = 0; c < children; c++) { 2122 uint64_t islog = B_FALSE; 2123 (void) nvlist_lookup_uint64(newchild[c], 2124 ZPOOL_CONFIG_IS_LOG, &islog); 2125 2126 if (islog) { 2127 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2128 B_FALSE); 2129 print_vdev_stats(zhp, vname, oldnv ? 2130 oldchild[c] : NULL, newchild[c], 2131 cb, depth + 2); 2132 free(vname); 2133 } 2134 } 2135 2136 } 2137 2138 /* 2139 * Include level 2 ARC devices in iostat output 2140 */ 2141 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2142 &newchild, &children) != 0) 2143 return; 2144 2145 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2146 &oldchild, &c) != 0) 2147 return; 2148 2149 if (children > 0) { 2150 (void) printf("%-*s - - - - - " 2151 "-\n", cb->cb_namewidth, "cache"); 2152 for (c = 0; c < children; c++) { 2153 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2154 B_FALSE); 2155 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2156 newchild[c], cb, depth + 2); 2157 free(vname); 2158 } 2159 } 2160 } 2161 2162 static int 2163 refresh_iostat(zpool_handle_t *zhp, void *data) 2164 { 2165 iostat_cbdata_t *cb = data; 2166 boolean_t missing; 2167 2168 /* 2169 * If the pool has disappeared, remove it from the list and continue. 2170 */ 2171 if (zpool_refresh_stats(zhp, &missing) != 0) 2172 return (-1); 2173 2174 if (missing) 2175 pool_list_remove(cb->cb_list, zhp); 2176 2177 return (0); 2178 } 2179 2180 /* 2181 * Callback to print out the iostats for the given pool. 2182 */ 2183 int 2184 print_iostat(zpool_handle_t *zhp, void *data) 2185 { 2186 iostat_cbdata_t *cb = data; 2187 nvlist_t *oldconfig, *newconfig; 2188 nvlist_t *oldnvroot, *newnvroot; 2189 2190 newconfig = zpool_get_config(zhp, &oldconfig); 2191 2192 if (cb->cb_iteration == 1) 2193 oldconfig = NULL; 2194 2195 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2196 &newnvroot) == 0); 2197 2198 if (oldconfig == NULL) 2199 oldnvroot = NULL; 2200 else 2201 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2202 &oldnvroot) == 0); 2203 2204 /* 2205 * Print out the statistics for the pool. 2206 */ 2207 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2208 2209 if (cb->cb_verbose) 2210 print_iostat_separator(cb); 2211 2212 return (0); 2213 } 2214 2215 int 2216 get_namewidth(zpool_handle_t *zhp, void *data) 2217 { 2218 iostat_cbdata_t *cb = data; 2219 nvlist_t *config, *nvroot; 2220 2221 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2222 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2223 &nvroot) == 0); 2224 if (!cb->cb_verbose) 2225 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2226 else 2227 cb->cb_namewidth = max_width(zhp, nvroot, 0, 2228 cb->cb_namewidth); 2229 } 2230 2231 /* 2232 * The width must fall into the range [10,38]. The upper limit is the 2233 * maximum we can have and still fit in 80 columns. 2234 */ 2235 if (cb->cb_namewidth < 10) 2236 cb->cb_namewidth = 10; 2237 if (cb->cb_namewidth > 38) 2238 cb->cb_namewidth = 38; 2239 2240 return (0); 2241 } 2242 2243 /* 2244 * Parse the input string, get the 'interval' and 'count' value if there is one. 2245 */ 2246 static void 2247 get_interval_count(int *argcp, char **argv, unsigned long *iv, 2248 unsigned long *cnt) 2249 { 2250 unsigned long interval = 0, count = 0; 2251 int argc = *argcp, errno; 2252 2253 /* 2254 * Determine if the last argument is an integer or a pool name 2255 */ 2256 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2257 char *end; 2258 2259 errno = 0; 2260 interval = strtoul(argv[argc - 1], &end, 10); 2261 2262 if (*end == '\0' && errno == 0) { 2263 if (interval == 0) { 2264 (void) fprintf(stderr, gettext("interval " 2265 "cannot be zero\n")); 2266 usage(B_FALSE); 2267 } 2268 /* 2269 * Ignore the last parameter 2270 */ 2271 argc--; 2272 } else { 2273 /* 2274 * If this is not a valid number, just plow on. The 2275 * user will get a more informative error message later 2276 * on. 2277 */ 2278 interval = 0; 2279 } 2280 } 2281 2282 /* 2283 * If the last argument is also an integer, then we have both a count 2284 * and an interval. 2285 */ 2286 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2287 char *end; 2288 2289 errno = 0; 2290 count = interval; 2291 interval = strtoul(argv[argc - 1], &end, 10); 2292 2293 if (*end == '\0' && errno == 0) { 2294 if (interval == 0) { 2295 (void) fprintf(stderr, gettext("interval " 2296 "cannot be zero\n")); 2297 usage(B_FALSE); 2298 } 2299 2300 /* 2301 * Ignore the last parameter 2302 */ 2303 argc--; 2304 } else { 2305 interval = 0; 2306 } 2307 } 2308 2309 *iv = interval; 2310 *cnt = count; 2311 *argcp = argc; 2312 } 2313 2314 static void 2315 get_timestamp_arg(char c) 2316 { 2317 if (c == 'u') 2318 timestamp_fmt = UDATE; 2319 else if (c == 'd') 2320 timestamp_fmt = DDATE; 2321 else 2322 usage(B_FALSE); 2323 } 2324 2325 /* 2326 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2327 * 2328 * -v Display statistics for individual vdevs 2329 * -T Display a timestamp in date(1) or Unix format 2330 * 2331 * This command can be tricky because we want to be able to deal with pool 2332 * creation/destruction as well as vdev configuration changes. The bulk of this 2333 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2334 * on pool_list_update() to detect the addition of new pools. Configuration 2335 * changes are all handled within libzfs. 2336 */ 2337 int 2338 zpool_do_iostat(int argc, char **argv) 2339 { 2340 int c; 2341 int ret; 2342 int npools; 2343 unsigned long interval = 0, count = 0; 2344 zpool_list_t *list; 2345 boolean_t verbose = B_FALSE; 2346 iostat_cbdata_t cb; 2347 2348 /* check options */ 2349 while ((c = getopt(argc, argv, "T:v")) != -1) { 2350 switch (c) { 2351 case 'T': 2352 get_timestamp_arg(*optarg); 2353 break; 2354 case 'v': 2355 verbose = B_TRUE; 2356 break; 2357 case '?': 2358 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2359 optopt); 2360 usage(B_FALSE); 2361 } 2362 } 2363 2364 argc -= optind; 2365 argv += optind; 2366 2367 get_interval_count(&argc, argv, &interval, &count); 2368 2369 /* 2370 * Construct the list of all interesting pools. 2371 */ 2372 ret = 0; 2373 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2374 return (1); 2375 2376 if (pool_list_count(list) == 0 && argc != 0) { 2377 pool_list_free(list); 2378 return (1); 2379 } 2380 2381 if (pool_list_count(list) == 0 && interval == 0) { 2382 pool_list_free(list); 2383 (void) fprintf(stderr, gettext("no pools available\n")); 2384 return (1); 2385 } 2386 2387 /* 2388 * Enter the main iostat loop. 2389 */ 2390 cb.cb_list = list; 2391 cb.cb_verbose = verbose; 2392 cb.cb_iteration = 0; 2393 cb.cb_namewidth = 0; 2394 2395 for (;;) { 2396 pool_list_update(list); 2397 2398 if ((npools = pool_list_count(list)) == 0) 2399 break; 2400 2401 /* 2402 * Refresh all statistics. This is done as an explicit step 2403 * before calculating the maximum name width, so that any 2404 * configuration changes are properly accounted for. 2405 */ 2406 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2407 2408 /* 2409 * Iterate over all pools to determine the maximum width 2410 * for the pool / device name column across all pools. 2411 */ 2412 cb.cb_namewidth = 0; 2413 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2414 2415 if (timestamp_fmt != NODATE) 2416 print_timestamp(timestamp_fmt); 2417 2418 /* 2419 * If it's the first time, or verbose mode, print the header. 2420 */ 2421 if (++cb.cb_iteration == 1 || verbose) 2422 print_iostat_header(&cb); 2423 2424 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2425 2426 /* 2427 * If there's more than one pool, and we're not in verbose mode 2428 * (which prints a separator for us), then print a separator. 2429 */ 2430 if (npools > 1 && !verbose) 2431 print_iostat_separator(&cb); 2432 2433 if (verbose) 2434 (void) printf("\n"); 2435 2436 /* 2437 * Flush the output so that redirection to a file isn't buffered 2438 * indefinitely. 2439 */ 2440 (void) fflush(stdout); 2441 2442 if (interval == 0) 2443 break; 2444 2445 if (count != 0 && --count == 0) 2446 break; 2447 2448 (void) sleep(interval); 2449 } 2450 2451 pool_list_free(list); 2452 2453 return (ret); 2454 } 2455 2456 typedef struct list_cbdata { 2457 boolean_t cb_scripted; 2458 boolean_t cb_first; 2459 zprop_list_t *cb_proplist; 2460 } list_cbdata_t; 2461 2462 /* 2463 * Given a list of columns to display, output appropriate headers for each one. 2464 */ 2465 static void 2466 print_header(zprop_list_t *pl) 2467 { 2468 const char *header; 2469 boolean_t first = B_TRUE; 2470 boolean_t right_justify; 2471 2472 for (; pl != NULL; pl = pl->pl_next) { 2473 if (pl->pl_prop == ZPROP_INVAL) 2474 continue; 2475 2476 if (!first) 2477 (void) printf(" "); 2478 else 2479 first = B_FALSE; 2480 2481 header = zpool_prop_column_name(pl->pl_prop); 2482 right_justify = zpool_prop_align_right(pl->pl_prop); 2483 2484 if (pl->pl_next == NULL && !right_justify) 2485 (void) printf("%s", header); 2486 else if (right_justify) 2487 (void) printf("%*s", pl->pl_width, header); 2488 else 2489 (void) printf("%-*s", pl->pl_width, header); 2490 } 2491 2492 (void) printf("\n"); 2493 } 2494 2495 /* 2496 * Given a pool and a list of properties, print out all the properties according 2497 * to the described layout. 2498 */ 2499 static void 2500 print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted) 2501 { 2502 boolean_t first = B_TRUE; 2503 char property[ZPOOL_MAXPROPLEN]; 2504 char *propstr; 2505 boolean_t right_justify; 2506 int width; 2507 2508 for (; pl != NULL; pl = pl->pl_next) { 2509 if (!first) { 2510 if (scripted) 2511 (void) printf("\t"); 2512 else 2513 (void) printf(" "); 2514 } else { 2515 first = B_FALSE; 2516 } 2517 2518 right_justify = B_FALSE; 2519 if (pl->pl_prop != ZPROP_INVAL) { 2520 if (zpool_get_prop(zhp, pl->pl_prop, property, 2521 sizeof (property), NULL) != 0) 2522 propstr = "-"; 2523 else 2524 propstr = property; 2525 2526 right_justify = zpool_prop_align_right(pl->pl_prop); 2527 } else { 2528 propstr = "-"; 2529 } 2530 2531 width = pl->pl_width; 2532 2533 /* 2534 * If this is being called in scripted mode, or if this is the 2535 * last column and it is left-justified, don't include a width 2536 * format specifier. 2537 */ 2538 if (scripted || (pl->pl_next == NULL && !right_justify)) 2539 (void) printf("%s", propstr); 2540 else if (right_justify) 2541 (void) printf("%*s", width, propstr); 2542 else 2543 (void) printf("%-*s", width, propstr); 2544 } 2545 2546 (void) printf("\n"); 2547 } 2548 2549 /* 2550 * Generic callback function to list a pool. 2551 */ 2552 int 2553 list_callback(zpool_handle_t *zhp, void *data) 2554 { 2555 list_cbdata_t *cbp = data; 2556 2557 if (cbp->cb_first) { 2558 if (!cbp->cb_scripted) 2559 print_header(cbp->cb_proplist); 2560 cbp->cb_first = B_FALSE; 2561 } 2562 2563 print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted); 2564 2565 return (0); 2566 } 2567 2568 /* 2569 * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 2570 * 2571 * -H Scripted mode. Don't display headers, and separate properties 2572 * by a single tab. 2573 * -o List of properties to display. Defaults to 2574 * "name,size,allocated,free,capacity,health,altroot" 2575 * -T Display a timestamp in date(1) or Unix format 2576 * 2577 * List all pools in the system, whether or not they're healthy. Output space 2578 * statistics for each one, as well as health status summary. 2579 */ 2580 int 2581 zpool_do_list(int argc, char **argv) 2582 { 2583 int c; 2584 int ret; 2585 list_cbdata_t cb = { 0 }; 2586 static char default_props[] = 2587 "name,size,allocated,free,capacity,dedupratio,health,altroot"; 2588 char *props = default_props; 2589 unsigned long interval = 0, count = 0; 2590 2591 /* check options */ 2592 while ((c = getopt(argc, argv, ":Ho:T:")) != -1) { 2593 switch (c) { 2594 case 'H': 2595 cb.cb_scripted = B_TRUE; 2596 break; 2597 case 'o': 2598 props = optarg; 2599 break; 2600 case 'T': 2601 get_timestamp_arg(*optarg); 2602 break; 2603 case ':': 2604 (void) fprintf(stderr, gettext("missing argument for " 2605 "'%c' option\n"), optopt); 2606 usage(B_FALSE); 2607 break; 2608 case '?': 2609 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2610 optopt); 2611 usage(B_FALSE); 2612 } 2613 } 2614 2615 argc -= optind; 2616 argv += optind; 2617 2618 get_interval_count(&argc, argv, &interval, &count); 2619 2620 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2621 usage(B_FALSE); 2622 2623 cb.cb_first = B_TRUE; 2624 2625 for (;;) { 2626 2627 if (timestamp_fmt != NODATE) 2628 print_timestamp(timestamp_fmt); 2629 2630 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 2631 list_callback, &cb); 2632 2633 if (argc == 0 && cb.cb_first && !cb.cb_scripted) { 2634 (void) printf(gettext("no pools available\n")); 2635 zprop_free_list(cb.cb_proplist); 2636 return (0); 2637 } 2638 2639 if (interval == 0) 2640 break; 2641 2642 if (count != 0 && --count == 0) 2643 break; 2644 2645 (void) sleep(interval); 2646 } 2647 2648 zprop_free_list(cb.cb_proplist); 2649 return (ret); 2650 } 2651 2652 static nvlist_t * 2653 zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2654 { 2655 nvlist_t **child; 2656 uint_t c, children; 2657 nvlist_t *match; 2658 char *path; 2659 2660 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2661 &child, &children) != 0) { 2662 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2663 if (strncmp(name, "/dev/dsk/", 9) == 0) 2664 name += 9; 2665 if (strncmp(path, "/dev/dsk/", 9) == 0) 2666 path += 9; 2667 if (strcmp(name, path) == 0) 2668 return (nv); 2669 return (NULL); 2670 } 2671 2672 for (c = 0; c < children; c++) 2673 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2674 return (match); 2675 2676 return (NULL); 2677 } 2678 2679 static int 2680 zpool_do_attach_or_replace(int argc, char **argv, int replacing) 2681 { 2682 boolean_t force = B_FALSE; 2683 int c; 2684 nvlist_t *nvroot; 2685 char *poolname, *old_disk, *new_disk; 2686 zpool_handle_t *zhp; 2687 int ret; 2688 2689 /* check options */ 2690 while ((c = getopt(argc, argv, "f")) != -1) { 2691 switch (c) { 2692 case 'f': 2693 force = B_TRUE; 2694 break; 2695 case '?': 2696 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2697 optopt); 2698 usage(B_FALSE); 2699 } 2700 } 2701 2702 argc -= optind; 2703 argv += optind; 2704 2705 /* get pool name and check number of arguments */ 2706 if (argc < 1) { 2707 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2708 usage(B_FALSE); 2709 } 2710 2711 poolname = argv[0]; 2712 2713 if (argc < 2) { 2714 (void) fprintf(stderr, 2715 gettext("missing <device> specification\n")); 2716 usage(B_FALSE); 2717 } 2718 2719 old_disk = argv[1]; 2720 2721 if (argc < 3) { 2722 if (!replacing) { 2723 (void) fprintf(stderr, 2724 gettext("missing <new_device> specification\n")); 2725 usage(B_FALSE); 2726 } 2727 new_disk = old_disk; 2728 argc -= 1; 2729 argv += 1; 2730 } else { 2731 new_disk = argv[2]; 2732 argc -= 2; 2733 argv += 2; 2734 } 2735 2736 if (argc > 1) { 2737 (void) fprintf(stderr, gettext("too many arguments\n")); 2738 usage(B_FALSE); 2739 } 2740 2741 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2742 return (1); 2743 2744 if (zpool_get_config(zhp, NULL) == NULL) { 2745 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 2746 poolname); 2747 zpool_close(zhp); 2748 return (1); 2749 } 2750 2751 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 2752 argc, argv); 2753 if (nvroot == NULL) { 2754 zpool_close(zhp); 2755 return (1); 2756 } 2757 2758 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 2759 2760 nvlist_free(nvroot); 2761 zpool_close(zhp); 2762 2763 return (ret); 2764 } 2765 2766 /* 2767 * zpool replace [-f] <pool> <device> <new_device> 2768 * 2769 * -f Force attach, even if <new_device> appears to be in use. 2770 * 2771 * Replace <device> with <new_device>. 2772 */ 2773 /* ARGSUSED */ 2774 int 2775 zpool_do_replace(int argc, char **argv) 2776 { 2777 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 2778 } 2779 2780 /* 2781 * zpool attach [-f] <pool> <device> <new_device> 2782 * 2783 * -f Force attach, even if <new_device> appears to be in use. 2784 * 2785 * Attach <new_device> to the mirror containing <device>. If <device> is not 2786 * part of a mirror, then <device> will be transformed into a mirror of 2787 * <device> and <new_device>. In either case, <new_device> will begin life 2788 * with a DTL of [0, now], and will immediately begin to resilver itself. 2789 */ 2790 int 2791 zpool_do_attach(int argc, char **argv) 2792 { 2793 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 2794 } 2795 2796 /* 2797 * zpool detach [-f] <pool> <device> 2798 * 2799 * -f Force detach of <device>, even if DTLs argue against it 2800 * (not supported yet) 2801 * 2802 * Detach a device from a mirror. The operation will be refused if <device> 2803 * is the last device in the mirror, or if the DTLs indicate that this device 2804 * has the only valid copy of some data. 2805 */ 2806 /* ARGSUSED */ 2807 int 2808 zpool_do_detach(int argc, char **argv) 2809 { 2810 int c; 2811 char *poolname, *path; 2812 zpool_handle_t *zhp; 2813 int ret; 2814 2815 /* check options */ 2816 while ((c = getopt(argc, argv, "f")) != -1) { 2817 switch (c) { 2818 case 'f': 2819 case '?': 2820 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2821 optopt); 2822 usage(B_FALSE); 2823 } 2824 } 2825 2826 argc -= optind; 2827 argv += optind; 2828 2829 /* get pool name and check number of arguments */ 2830 if (argc < 1) { 2831 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2832 usage(B_FALSE); 2833 } 2834 2835 if (argc < 2) { 2836 (void) fprintf(stderr, 2837 gettext("missing <device> specification\n")); 2838 usage(B_FALSE); 2839 } 2840 2841 poolname = argv[0]; 2842 path = argv[1]; 2843 2844 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2845 return (1); 2846 2847 ret = zpool_vdev_detach(zhp, path); 2848 2849 zpool_close(zhp); 2850 2851 return (ret); 2852 } 2853 2854 /* 2855 * zpool split [-n] [-o prop=val] ... 2856 * [-o mntopt] ... 2857 * [-R altroot] <pool> <newpool> [<device> ...] 2858 * 2859 * -n Do not split the pool, but display the resulting layout if 2860 * it were to be split. 2861 * -o Set property=value, or set mount options. 2862 * -R Mount the split-off pool under an alternate root. 2863 * 2864 * Splits the named pool and gives it the new pool name. Devices to be split 2865 * off may be listed, provided that no more than one device is specified 2866 * per top-level vdev mirror. The newly split pool is left in an exported 2867 * state unless -R is specified. 2868 * 2869 * Restrictions: the top-level of the pool pool must only be made up of 2870 * mirrors; all devices in the pool must be healthy; no device may be 2871 * undergoing a resilvering operation. 2872 */ 2873 int 2874 zpool_do_split(int argc, char **argv) 2875 { 2876 char *srcpool, *newpool, *propval; 2877 char *mntopts = NULL; 2878 splitflags_t flags; 2879 int c, ret = 0; 2880 zpool_handle_t *zhp; 2881 nvlist_t *config, *props = NULL; 2882 2883 flags.dryrun = B_FALSE; 2884 flags.import = B_FALSE; 2885 2886 /* check options */ 2887 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 2888 switch (c) { 2889 case 'R': 2890 flags.import = B_TRUE; 2891 if (add_prop_list( 2892 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 2893 &props, B_TRUE) != 0) { 2894 if (props) 2895 nvlist_free(props); 2896 usage(B_FALSE); 2897 } 2898 break; 2899 case 'n': 2900 flags.dryrun = B_TRUE; 2901 break; 2902 case 'o': 2903 if ((propval = strchr(optarg, '=')) != NULL) { 2904 *propval = '\0'; 2905 propval++; 2906 if (add_prop_list(optarg, propval, 2907 &props, B_TRUE) != 0) { 2908 if (props) 2909 nvlist_free(props); 2910 usage(B_FALSE); 2911 } 2912 } else { 2913 mntopts = optarg; 2914 } 2915 break; 2916 case ':': 2917 (void) fprintf(stderr, gettext("missing argument for " 2918 "'%c' option\n"), optopt); 2919 usage(B_FALSE); 2920 break; 2921 case '?': 2922 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2923 optopt); 2924 usage(B_FALSE); 2925 break; 2926 } 2927 } 2928 2929 if (!flags.import && mntopts != NULL) { 2930 (void) fprintf(stderr, gettext("setting mntopts is only " 2931 "valid when importing the pool\n")); 2932 usage(B_FALSE); 2933 } 2934 2935 argc -= optind; 2936 argv += optind; 2937 2938 if (argc < 1) { 2939 (void) fprintf(stderr, gettext("Missing pool name\n")); 2940 usage(B_FALSE); 2941 } 2942 if (argc < 2) { 2943 (void) fprintf(stderr, gettext("Missing new pool name\n")); 2944 usage(B_FALSE); 2945 } 2946 2947 srcpool = argv[0]; 2948 newpool = argv[1]; 2949 2950 argc -= 2; 2951 argv += 2; 2952 2953 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 2954 return (1); 2955 2956 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 2957 if (config == NULL) { 2958 ret = 1; 2959 } else { 2960 if (flags.dryrun) { 2961 (void) printf(gettext("would create '%s' with the " 2962 "following layout:\n\n"), newpool); 2963 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 2964 } 2965 nvlist_free(config); 2966 } 2967 2968 zpool_close(zhp); 2969 2970 if (ret != 0 || flags.dryrun || !flags.import) 2971 return (ret); 2972 2973 /* 2974 * The split was successful. Now we need to open the new 2975 * pool and import it. 2976 */ 2977 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 2978 return (1); 2979 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 2980 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 2981 ret = 1; 2982 (void) fprintf(stderr, gettext("Split was succssful, but " 2983 "the datasets could not all be mounted\n")); 2984 (void) fprintf(stderr, gettext("Try doing '%s' with a " 2985 "different altroot\n"), "zpool import"); 2986 } 2987 zpool_close(zhp); 2988 2989 return (ret); 2990 } 2991 2992 2993 2994 /* 2995 * zpool online <pool> <device> ... 2996 */ 2997 int 2998 zpool_do_online(int argc, char **argv) 2999 { 3000 int c, i; 3001 char *poolname; 3002 zpool_handle_t *zhp; 3003 int ret = 0; 3004 vdev_state_t newstate; 3005 int flags = 0; 3006 3007 /* check options */ 3008 while ((c = getopt(argc, argv, "et")) != -1) { 3009 switch (c) { 3010 case 'e': 3011 flags |= ZFS_ONLINE_EXPAND; 3012 break; 3013 case 't': 3014 case '?': 3015 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3016 optopt); 3017 usage(B_FALSE); 3018 } 3019 } 3020 3021 argc -= optind; 3022 argv += optind; 3023 3024 /* get pool name and check number of arguments */ 3025 if (argc < 1) { 3026 (void) fprintf(stderr, gettext("missing pool name\n")); 3027 usage(B_FALSE); 3028 } 3029 if (argc < 2) { 3030 (void) fprintf(stderr, gettext("missing device name\n")); 3031 usage(B_FALSE); 3032 } 3033 3034 poolname = argv[0]; 3035 3036 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3037 return (1); 3038 3039 for (i = 1; i < argc; i++) { 3040 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 3041 if (newstate != VDEV_STATE_HEALTHY) { 3042 (void) printf(gettext("warning: device '%s' " 3043 "onlined, but remains in faulted state\n"), 3044 argv[i]); 3045 if (newstate == VDEV_STATE_FAULTED) 3046 (void) printf(gettext("use 'zpool " 3047 "clear' to restore a faulted " 3048 "device\n")); 3049 else 3050 (void) printf(gettext("use 'zpool " 3051 "replace' to replace devices " 3052 "that are no longer present\n")); 3053 } 3054 } else { 3055 ret = 1; 3056 } 3057 } 3058 3059 zpool_close(zhp); 3060 3061 return (ret); 3062 } 3063 3064 /* 3065 * zpool offline [-ft] <pool> <device> ... 3066 * 3067 * -f Force the device into the offline state, even if doing 3068 * so would appear to compromise pool availability. 3069 * (not supported yet) 3070 * 3071 * -t Only take the device off-line temporarily. The offline 3072 * state will not be persistent across reboots. 3073 */ 3074 /* ARGSUSED */ 3075 int 3076 zpool_do_offline(int argc, char **argv) 3077 { 3078 int c, i; 3079 char *poolname; 3080 zpool_handle_t *zhp; 3081 int ret = 0; 3082 boolean_t istmp = B_FALSE; 3083 3084 /* check options */ 3085 while ((c = getopt(argc, argv, "ft")) != -1) { 3086 switch (c) { 3087 case 't': 3088 istmp = B_TRUE; 3089 break; 3090 case 'f': 3091 case '?': 3092 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3093 optopt); 3094 usage(B_FALSE); 3095 } 3096 } 3097 3098 argc -= optind; 3099 argv += optind; 3100 3101 /* get pool name and check number of arguments */ 3102 if (argc < 1) { 3103 (void) fprintf(stderr, gettext("missing pool name\n")); 3104 usage(B_FALSE); 3105 } 3106 if (argc < 2) { 3107 (void) fprintf(stderr, gettext("missing device name\n")); 3108 usage(B_FALSE); 3109 } 3110 3111 poolname = argv[0]; 3112 3113 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3114 return (1); 3115 3116 for (i = 1; i < argc; i++) { 3117 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3118 ret = 1; 3119 } 3120 3121 zpool_close(zhp); 3122 3123 return (ret); 3124 } 3125 3126 /* 3127 * zpool clear <pool> [device] 3128 * 3129 * Clear all errors associated with a pool or a particular device. 3130 */ 3131 int 3132 zpool_do_clear(int argc, char **argv) 3133 { 3134 int c; 3135 int ret = 0; 3136 boolean_t dryrun = B_FALSE; 3137 boolean_t do_rewind = B_FALSE; 3138 boolean_t xtreme_rewind = B_FALSE; 3139 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3140 nvlist_t *policy = NULL; 3141 zpool_handle_t *zhp; 3142 char *pool, *device; 3143 3144 /* check options */ 3145 while ((c = getopt(argc, argv, "FnX")) != -1) { 3146 switch (c) { 3147 case 'F': 3148 do_rewind = B_TRUE; 3149 break; 3150 case 'n': 3151 dryrun = B_TRUE; 3152 break; 3153 case 'X': 3154 xtreme_rewind = B_TRUE; 3155 break; 3156 case '?': 3157 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3158 optopt); 3159 usage(B_FALSE); 3160 } 3161 } 3162 3163 argc -= optind; 3164 argv += optind; 3165 3166 if (argc < 1) { 3167 (void) fprintf(stderr, gettext("missing pool name\n")); 3168 usage(B_FALSE); 3169 } 3170 3171 if (argc > 2) { 3172 (void) fprintf(stderr, gettext("too many arguments\n")); 3173 usage(B_FALSE); 3174 } 3175 3176 if ((dryrun || xtreme_rewind) && !do_rewind) { 3177 (void) fprintf(stderr, 3178 gettext("-n or -X only meaningful with -F\n")); 3179 usage(B_FALSE); 3180 } 3181 if (dryrun) 3182 rewind_policy = ZPOOL_TRY_REWIND; 3183 else if (do_rewind) 3184 rewind_policy = ZPOOL_DO_REWIND; 3185 if (xtreme_rewind) 3186 rewind_policy |= ZPOOL_EXTREME_REWIND; 3187 3188 /* In future, further rewind policy choices can be passed along here */ 3189 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3190 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3191 return (1); 3192 3193 pool = argv[0]; 3194 device = argc == 2 ? argv[1] : NULL; 3195 3196 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3197 nvlist_free(policy); 3198 return (1); 3199 } 3200 3201 if (zpool_clear(zhp, device, policy) != 0) 3202 ret = 1; 3203 3204 zpool_close(zhp); 3205 3206 nvlist_free(policy); 3207 3208 return (ret); 3209 } 3210 3211 /* 3212 * zpool reguid <pool> 3213 */ 3214 int 3215 zpool_do_reguid(int argc, char **argv) 3216 { 3217 int c; 3218 char *poolname; 3219 zpool_handle_t *zhp; 3220 int ret = 0; 3221 3222 /* check options */ 3223 while ((c = getopt(argc, argv, "")) != -1) { 3224 switch (c) { 3225 case '?': 3226 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3227 optopt); 3228 usage(B_FALSE); 3229 } 3230 } 3231 3232 argc -= optind; 3233 argv += optind; 3234 3235 /* get pool name and check number of arguments */ 3236 if (argc < 1) { 3237 (void) fprintf(stderr, gettext("missing pool name\n")); 3238 usage(B_FALSE); 3239 } 3240 3241 if (argc > 1) { 3242 (void) fprintf(stderr, gettext("too many arguments\n")); 3243 usage(B_FALSE); 3244 } 3245 3246 poolname = argv[0]; 3247 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3248 return (1); 3249 3250 ret = zpool_reguid(zhp); 3251 3252 zpool_close(zhp); 3253 return (ret); 3254 } 3255 3256 3257 typedef struct scrub_cbdata { 3258 int cb_type; 3259 int cb_argc; 3260 char **cb_argv; 3261 } scrub_cbdata_t; 3262 3263 int 3264 scrub_callback(zpool_handle_t *zhp, void *data) 3265 { 3266 scrub_cbdata_t *cb = data; 3267 int err; 3268 3269 /* 3270 * Ignore faulted pools. 3271 */ 3272 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3273 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3274 "currently unavailable\n"), zpool_get_name(zhp)); 3275 return (1); 3276 } 3277 3278 err = zpool_scan(zhp, cb->cb_type); 3279 3280 return (err != 0); 3281 } 3282 3283 /* 3284 * zpool scrub [-s] <pool> ... 3285 * 3286 * -s Stop. Stops any in-progress scrub. 3287 */ 3288 int 3289 zpool_do_scrub(int argc, char **argv) 3290 { 3291 int c; 3292 scrub_cbdata_t cb; 3293 3294 cb.cb_type = POOL_SCAN_SCRUB; 3295 3296 /* check options */ 3297 while ((c = getopt(argc, argv, "s")) != -1) { 3298 switch (c) { 3299 case 's': 3300 cb.cb_type = POOL_SCAN_NONE; 3301 break; 3302 case '?': 3303 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3304 optopt); 3305 usage(B_FALSE); 3306 } 3307 } 3308 3309 cb.cb_argc = argc; 3310 cb.cb_argv = argv; 3311 argc -= optind; 3312 argv += optind; 3313 3314 if (argc < 1) { 3315 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3316 usage(B_FALSE); 3317 } 3318 3319 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3320 } 3321 3322 typedef struct status_cbdata { 3323 int cb_count; 3324 boolean_t cb_allpools; 3325 boolean_t cb_verbose; 3326 boolean_t cb_explain; 3327 boolean_t cb_first; 3328 boolean_t cb_dedup_stats; 3329 } status_cbdata_t; 3330 3331 /* 3332 * Print out detailed scrub status. 3333 */ 3334 void 3335 print_scan_status(pool_scan_stat_t *ps) 3336 { 3337 time_t start, end; 3338 uint64_t elapsed, mins_left, hours_left; 3339 uint64_t pass_exam, examined, total; 3340 uint_t rate; 3341 double fraction_done; 3342 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3343 3344 (void) printf(gettext(" scan: ")); 3345 3346 /* If there's never been a scan, there's not much to say. */ 3347 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3348 ps->pss_func >= POOL_SCAN_FUNCS) { 3349 (void) printf(gettext("none requested\n")); 3350 return; 3351 } 3352 3353 start = ps->pss_start_time; 3354 end = ps->pss_end_time; 3355 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3356 3357 assert(ps->pss_func == POOL_SCAN_SCRUB || 3358 ps->pss_func == POOL_SCAN_RESILVER); 3359 /* 3360 * Scan is finished or canceled. 3361 */ 3362 if (ps->pss_state == DSS_FINISHED) { 3363 uint64_t minutes_taken = (end - start) / 60; 3364 char *fmt; 3365 3366 if (ps->pss_func == POOL_SCAN_SCRUB) { 3367 fmt = gettext("scrub repaired %s in %lluh%um with " 3368 "%llu errors on %s"); 3369 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3370 fmt = gettext("resilvered %s in %lluh%um with " 3371 "%llu errors on %s"); 3372 } 3373 /* LINTED */ 3374 (void) printf(fmt, processed_buf, 3375 (u_longlong_t)(minutes_taken / 60), 3376 (uint_t)(minutes_taken % 60), 3377 (u_longlong_t)ps->pss_errors, 3378 ctime((time_t *)&end)); 3379 return; 3380 } else if (ps->pss_state == DSS_CANCELED) { 3381 if (ps->pss_func == POOL_SCAN_SCRUB) { 3382 (void) printf(gettext("scrub canceled on %s"), 3383 ctime(&end)); 3384 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3385 (void) printf(gettext("resilver canceled on %s"), 3386 ctime(&end)); 3387 } 3388 return; 3389 } 3390 3391 assert(ps->pss_state == DSS_SCANNING); 3392 3393 /* 3394 * Scan is in progress. 3395 */ 3396 if (ps->pss_func == POOL_SCAN_SCRUB) { 3397 (void) printf(gettext("scrub in progress since %s"), 3398 ctime(&start)); 3399 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3400 (void) printf(gettext("resilver in progress since %s"), 3401 ctime(&start)); 3402 } 3403 3404 examined = ps->pss_examined ? ps->pss_examined : 1; 3405 total = ps->pss_to_examine; 3406 fraction_done = (double)examined / total; 3407 3408 /* elapsed time for this pass */ 3409 elapsed = time(NULL) - ps->pss_pass_start; 3410 elapsed = elapsed ? elapsed : 1; 3411 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3412 rate = pass_exam / elapsed; 3413 rate = rate ? rate : 1; 3414 mins_left = ((total - examined) / rate) / 60; 3415 hours_left = mins_left / 60; 3416 3417 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3418 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3419 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3420 3421 /* 3422 * do not print estimated time if hours_left is more than 30 days 3423 */ 3424 (void) printf(gettext(" %s scanned out of %s at %s/s"), 3425 examined_buf, total_buf, rate_buf); 3426 if (hours_left < (30 * 24)) { 3427 (void) printf(gettext(", %lluh%um to go\n"), 3428 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 3429 } else { 3430 (void) printf(gettext( 3431 ", (scan is slow, no estimated time)\n")); 3432 } 3433 3434 if (ps->pss_func == POOL_SCAN_RESILVER) { 3435 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3436 processed_buf, 100 * fraction_done); 3437 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3438 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3439 processed_buf, 100 * fraction_done); 3440 } 3441 } 3442 3443 static void 3444 print_error_log(zpool_handle_t *zhp) 3445 { 3446 nvlist_t *nverrlist = NULL; 3447 nvpair_t *elem; 3448 char *pathname; 3449 size_t len = MAXPATHLEN * 2; 3450 3451 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3452 (void) printf("errors: List of errors unavailable " 3453 "(insufficient privileges)\n"); 3454 return; 3455 } 3456 3457 (void) printf("errors: Permanent errors have been " 3458 "detected in the following files:\n\n"); 3459 3460 pathname = safe_malloc(len); 3461 elem = NULL; 3462 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3463 nvlist_t *nv; 3464 uint64_t dsobj, obj; 3465 3466 verify(nvpair_value_nvlist(elem, &nv) == 0); 3467 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3468 &dsobj) == 0); 3469 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3470 &obj) == 0); 3471 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3472 (void) printf("%7s %s\n", "", pathname); 3473 } 3474 free(pathname); 3475 nvlist_free(nverrlist); 3476 } 3477 3478 static void 3479 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3480 int namewidth) 3481 { 3482 uint_t i; 3483 char *name; 3484 3485 if (nspares == 0) 3486 return; 3487 3488 (void) printf(gettext("\tspares\n")); 3489 3490 for (i = 0; i < nspares; i++) { 3491 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3492 print_status_config(zhp, name, spares[i], 3493 namewidth, 2, B_TRUE); 3494 free(name); 3495 } 3496 } 3497 3498 static void 3499 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3500 int namewidth) 3501 { 3502 uint_t i; 3503 char *name; 3504 3505 if (nl2cache == 0) 3506 return; 3507 3508 (void) printf(gettext("\tcache\n")); 3509 3510 for (i = 0; i < nl2cache; i++) { 3511 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3512 print_status_config(zhp, name, l2cache[i], 3513 namewidth, 2, B_FALSE); 3514 free(name); 3515 } 3516 } 3517 3518 static void 3519 print_dedup_stats(nvlist_t *config) 3520 { 3521 ddt_histogram_t *ddh; 3522 ddt_stat_t *dds; 3523 ddt_object_t *ddo; 3524 uint_t c; 3525 3526 /* 3527 * If the pool was faulted then we may not have been able to 3528 * obtain the config. Otherwise, if have anything in the dedup 3529 * table continue processing the stats. 3530 */ 3531 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3532 (uint64_t **)&ddo, &c) != 0) 3533 return; 3534 3535 (void) printf("\n"); 3536 (void) printf(gettext(" dedup: ")); 3537 if (ddo->ddo_count == 0) { 3538 (void) printf(gettext("no DDT entries\n")); 3539 return; 3540 } 3541 3542 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3543 (u_longlong_t)ddo->ddo_count, 3544 (u_longlong_t)ddo->ddo_dspace, 3545 (u_longlong_t)ddo->ddo_mspace); 3546 3547 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3548 (uint64_t **)&dds, &c) == 0); 3549 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3550 (uint64_t **)&ddh, &c) == 0); 3551 zpool_dump_ddt(dds, ddh); 3552 } 3553 3554 /* 3555 * Display a summary of pool status. Displays a summary such as: 3556 * 3557 * pool: tank 3558 * status: DEGRADED 3559 * reason: One or more devices ... 3560 * see: http://www.sun.com/msg/ZFS-xxxx-01 3561 * config: 3562 * mirror DEGRADED 3563 * c1t0d0 OK 3564 * c2t0d0 UNAVAIL 3565 * 3566 * When given the '-v' option, we print out the complete config. If the '-e' 3567 * option is specified, then we print out error rate information as well. 3568 */ 3569 int 3570 status_callback(zpool_handle_t *zhp, void *data) 3571 { 3572 status_cbdata_t *cbp = data; 3573 nvlist_t *config, *nvroot; 3574 char *msgid; 3575 int reason; 3576 const char *health; 3577 uint_t c; 3578 vdev_stat_t *vs; 3579 3580 config = zpool_get_config(zhp, NULL); 3581 reason = zpool_get_status(zhp, &msgid); 3582 3583 cbp->cb_count++; 3584 3585 /* 3586 * If we were given 'zpool status -x', only report those pools with 3587 * problems. 3588 */ 3589 if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) { 3590 if (!cbp->cb_allpools) { 3591 (void) printf(gettext("pool '%s' is healthy\n"), 3592 zpool_get_name(zhp)); 3593 if (cbp->cb_first) 3594 cbp->cb_first = B_FALSE; 3595 } 3596 return (0); 3597 } 3598 3599 if (cbp->cb_first) 3600 cbp->cb_first = B_FALSE; 3601 else 3602 (void) printf("\n"); 3603 3604 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3605 &nvroot) == 0); 3606 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 3607 (uint64_t **)&vs, &c) == 0); 3608 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3609 3610 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3611 (void) printf(gettext(" state: %s\n"), health); 3612 3613 switch (reason) { 3614 case ZPOOL_STATUS_MISSING_DEV_R: 3615 (void) printf(gettext("status: One or more devices could not " 3616 "be opened. Sufficient replicas exist for\n\tthe pool to " 3617 "continue functioning in a degraded state.\n")); 3618 (void) printf(gettext("action: Attach the missing device and " 3619 "online it using 'zpool online'.\n")); 3620 break; 3621 3622 case ZPOOL_STATUS_MISSING_DEV_NR: 3623 (void) printf(gettext("status: One or more devices could not " 3624 "be opened. There are insufficient\n\treplicas for the " 3625 "pool to continue functioning.\n")); 3626 (void) printf(gettext("action: Attach the missing device and " 3627 "online it using 'zpool online'.\n")); 3628 break; 3629 3630 case ZPOOL_STATUS_CORRUPT_LABEL_R: 3631 (void) printf(gettext("status: One or more devices could not " 3632 "be used because the label is missing or\n\tinvalid. " 3633 "Sufficient replicas exist for the pool to continue\n\t" 3634 "functioning in a degraded state.\n")); 3635 (void) printf(gettext("action: Replace the device using " 3636 "'zpool replace'.\n")); 3637 break; 3638 3639 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 3640 (void) printf(gettext("status: One or more devices could not " 3641 "be used because the label is missing \n\tor invalid. " 3642 "There are insufficient replicas for the pool to " 3643 "continue\n\tfunctioning.\n")); 3644 zpool_explain_recover(zpool_get_handle(zhp), 3645 zpool_get_name(zhp), reason, config); 3646 break; 3647 3648 case ZPOOL_STATUS_FAILING_DEV: 3649 (void) printf(gettext("status: One or more devices has " 3650 "experienced an unrecoverable error. An\n\tattempt was " 3651 "made to correct the error. Applications are " 3652 "unaffected.\n")); 3653 (void) printf(gettext("action: Determine if the device needs " 3654 "to be replaced, and clear the errors\n\tusing " 3655 "'zpool clear' or replace the device with 'zpool " 3656 "replace'.\n")); 3657 break; 3658 3659 case ZPOOL_STATUS_OFFLINE_DEV: 3660 (void) printf(gettext("status: One or more devices has " 3661 "been taken offline by the administrator.\n\tSufficient " 3662 "replicas exist for the pool to continue functioning in " 3663 "a\n\tdegraded state.\n")); 3664 (void) printf(gettext("action: Online the device using " 3665 "'zpool online' or replace the device with\n\t'zpool " 3666 "replace'.\n")); 3667 break; 3668 3669 case ZPOOL_STATUS_REMOVED_DEV: 3670 (void) printf(gettext("status: One or more devices has " 3671 "been removed by the administrator.\n\tSufficient " 3672 "replicas exist for the pool to continue functioning in " 3673 "a\n\tdegraded state.\n")); 3674 (void) printf(gettext("action: Online the device using " 3675 "'zpool online' or replace the device with\n\t'zpool " 3676 "replace'.\n")); 3677 break; 3678 3679 case ZPOOL_STATUS_RESILVERING: 3680 (void) printf(gettext("status: One or more devices is " 3681 "currently being resilvered. The pool will\n\tcontinue " 3682 "to function, possibly in a degraded state.\n")); 3683 (void) printf(gettext("action: Wait for the resilver to " 3684 "complete.\n")); 3685 break; 3686 3687 case ZPOOL_STATUS_CORRUPT_DATA: 3688 (void) printf(gettext("status: One or more devices has " 3689 "experienced an error resulting in data\n\tcorruption. " 3690 "Applications may be affected.\n")); 3691 (void) printf(gettext("action: Restore the file in question " 3692 "if possible. Otherwise restore the\n\tentire pool from " 3693 "backup.\n")); 3694 break; 3695 3696 case ZPOOL_STATUS_CORRUPT_POOL: 3697 (void) printf(gettext("status: The pool metadata is corrupted " 3698 "and the pool cannot be opened.\n")); 3699 zpool_explain_recover(zpool_get_handle(zhp), 3700 zpool_get_name(zhp), reason, config); 3701 break; 3702 3703 case ZPOOL_STATUS_VERSION_OLDER: 3704 (void) printf(gettext("status: The pool is formatted using an " 3705 "older on-disk format. The pool can\n\tstill be used, but " 3706 "some features are unavailable.\n")); 3707 (void) printf(gettext("action: Upgrade the pool using 'zpool " 3708 "upgrade'. Once this is done, the\n\tpool will no longer " 3709 "be accessible on older software versions.\n")); 3710 break; 3711 3712 case ZPOOL_STATUS_VERSION_NEWER: 3713 (void) printf(gettext("status: The pool has been upgraded to a " 3714 "newer, incompatible on-disk version.\n\tThe pool cannot " 3715 "be accessed on this system.\n")); 3716 (void) printf(gettext("action: Access the pool from a system " 3717 "running more recent software, or\n\trestore the pool from " 3718 "backup.\n")); 3719 break; 3720 3721 case ZPOOL_STATUS_FAULTED_DEV_R: 3722 (void) printf(gettext("status: One or more devices are " 3723 "faulted in response to persistent errors.\n\tSufficient " 3724 "replicas exist for the pool to continue functioning " 3725 "in a\n\tdegraded state.\n")); 3726 (void) printf(gettext("action: Replace the faulted device, " 3727 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 3728 break; 3729 3730 case ZPOOL_STATUS_FAULTED_DEV_NR: 3731 (void) printf(gettext("status: One or more devices are " 3732 "faulted in response to persistent errors. There are " 3733 "insufficient replicas for the pool to\n\tcontinue " 3734 "functioning.\n")); 3735 (void) printf(gettext("action: Destroy and re-create the pool " 3736 "from a backup source. Manually marking the device\n" 3737 "\trepaired using 'zpool clear' may allow some data " 3738 "to be recovered.\n")); 3739 break; 3740 3741 case ZPOOL_STATUS_IO_FAILURE_WAIT: 3742 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 3743 (void) printf(gettext("status: One or more devices are " 3744 "faulted in response to IO failures.\n")); 3745 (void) printf(gettext("action: Make sure the affected devices " 3746 "are connected, then run 'zpool clear'.\n")); 3747 break; 3748 3749 case ZPOOL_STATUS_BAD_LOG: 3750 (void) printf(gettext("status: An intent log record " 3751 "could not be read.\n" 3752 "\tWaiting for adminstrator intervention to fix the " 3753 "faulted pool.\n")); 3754 (void) printf(gettext("action: Either restore the affected " 3755 "device(s) and run 'zpool online',\n" 3756 "\tor ignore the intent log records by running " 3757 "'zpool clear'.\n")); 3758 break; 3759 3760 default: 3761 /* 3762 * The remaining errors can't actually be generated, yet. 3763 */ 3764 assert(reason == ZPOOL_STATUS_OK); 3765 } 3766 3767 if (msgid != NULL) 3768 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 3769 msgid); 3770 3771 if (config != NULL) { 3772 int namewidth; 3773 uint64_t nerr; 3774 nvlist_t **spares, **l2cache; 3775 uint_t nspares, nl2cache; 3776 pool_scan_stat_t *ps = NULL; 3777 3778 (void) nvlist_lookup_uint64_array(nvroot, 3779 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 3780 print_scan_status(ps); 3781 3782 namewidth = max_width(zhp, nvroot, 0, 0); 3783 if (namewidth < 10) 3784 namewidth = 10; 3785 3786 (void) printf(gettext("config:\n\n")); 3787 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 3788 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 3789 print_status_config(zhp, zpool_get_name(zhp), nvroot, 3790 namewidth, 0, B_FALSE); 3791 3792 if (num_logs(nvroot) > 0) 3793 print_logs(zhp, nvroot, namewidth, B_TRUE); 3794 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 3795 &l2cache, &nl2cache) == 0) 3796 print_l2cache(zhp, l2cache, nl2cache, namewidth); 3797 3798 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 3799 &spares, &nspares) == 0) 3800 print_spares(zhp, spares, nspares, namewidth); 3801 3802 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 3803 &nerr) == 0) { 3804 nvlist_t *nverrlist = NULL; 3805 3806 /* 3807 * If the approximate error count is small, get a 3808 * precise count by fetching the entire log and 3809 * uniquifying the results. 3810 */ 3811 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 3812 zpool_get_errlog(zhp, &nverrlist) == 0) { 3813 nvpair_t *elem; 3814 3815 elem = NULL; 3816 nerr = 0; 3817 while ((elem = nvlist_next_nvpair(nverrlist, 3818 elem)) != NULL) { 3819 nerr++; 3820 } 3821 } 3822 nvlist_free(nverrlist); 3823 3824 (void) printf("\n"); 3825 3826 if (nerr == 0) 3827 (void) printf(gettext("errors: No known data " 3828 "errors\n")); 3829 else if (!cbp->cb_verbose) 3830 (void) printf(gettext("errors: %llu data " 3831 "errors, use '-v' for a list\n"), 3832 (u_longlong_t)nerr); 3833 else 3834 print_error_log(zhp); 3835 } 3836 3837 if (cbp->cb_dedup_stats) 3838 print_dedup_stats(config); 3839 } else { 3840 (void) printf(gettext("config: The configuration cannot be " 3841 "determined.\n")); 3842 } 3843 3844 return (0); 3845 } 3846 3847 /* 3848 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 3849 * 3850 * -v Display complete error logs 3851 * -x Display only pools with potential problems 3852 * -D Display dedup status (undocumented) 3853 * -T Display a timestamp in date(1) or Unix format 3854 * 3855 * Describes the health status of all pools or some subset. 3856 */ 3857 int 3858 zpool_do_status(int argc, char **argv) 3859 { 3860 int c; 3861 int ret; 3862 unsigned long interval = 0, count = 0; 3863 status_cbdata_t cb = { 0 }; 3864 3865 /* check options */ 3866 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 3867 switch (c) { 3868 case 'v': 3869 cb.cb_verbose = B_TRUE; 3870 break; 3871 case 'x': 3872 cb.cb_explain = B_TRUE; 3873 break; 3874 case 'D': 3875 cb.cb_dedup_stats = B_TRUE; 3876 break; 3877 case 'T': 3878 get_timestamp_arg(*optarg); 3879 break; 3880 case '?': 3881 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3882 optopt); 3883 usage(B_FALSE); 3884 } 3885 } 3886 3887 argc -= optind; 3888 argv += optind; 3889 3890 get_interval_count(&argc, argv, &interval, &count); 3891 3892 if (argc == 0) 3893 cb.cb_allpools = B_TRUE; 3894 3895 cb.cb_first = B_TRUE; 3896 3897 for (;;) { 3898 if (timestamp_fmt != NODATE) 3899 print_timestamp(timestamp_fmt); 3900 3901 ret = for_each_pool(argc, argv, B_TRUE, NULL, 3902 status_callback, &cb); 3903 3904 if (argc == 0 && cb.cb_count == 0) 3905 (void) printf(gettext("no pools available\n")); 3906 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 3907 (void) printf(gettext("all pools are healthy\n")); 3908 3909 if (ret != 0) 3910 return (ret); 3911 3912 if (interval == 0) 3913 break; 3914 3915 if (count != 0 && --count == 0) 3916 break; 3917 3918 (void) sleep(interval); 3919 } 3920 3921 return (0); 3922 } 3923 3924 typedef struct upgrade_cbdata { 3925 int cb_all; 3926 int cb_first; 3927 int cb_newer; 3928 int cb_argc; 3929 uint64_t cb_version; 3930 char **cb_argv; 3931 } upgrade_cbdata_t; 3932 3933 static int 3934 upgrade_cb(zpool_handle_t *zhp, void *arg) 3935 { 3936 upgrade_cbdata_t *cbp = arg; 3937 nvlist_t *config; 3938 uint64_t version; 3939 int ret = 0; 3940 3941 config = zpool_get_config(zhp, NULL); 3942 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 3943 &version) == 0); 3944 3945 if (!cbp->cb_newer && version < SPA_VERSION) { 3946 if (!cbp->cb_all) { 3947 if (cbp->cb_first) { 3948 (void) printf(gettext("The following pools are " 3949 "out of date, and can be upgraded. After " 3950 "being\nupgraded, these pools will no " 3951 "longer be accessible by older software " 3952 "versions.\n\n")); 3953 (void) printf(gettext("VER POOL\n")); 3954 (void) printf(gettext("--- ------------\n")); 3955 cbp->cb_first = B_FALSE; 3956 } 3957 3958 (void) printf("%2llu %s\n", (u_longlong_t)version, 3959 zpool_get_name(zhp)); 3960 } else { 3961 cbp->cb_first = B_FALSE; 3962 ret = zpool_upgrade(zhp, cbp->cb_version); 3963 if (!ret) { 3964 (void) printf(gettext("Successfully upgraded " 3965 "'%s'\n\n"), zpool_get_name(zhp)); 3966 } 3967 } 3968 } else if (cbp->cb_newer && version > SPA_VERSION) { 3969 assert(!cbp->cb_all); 3970 3971 if (cbp->cb_first) { 3972 (void) printf(gettext("The following pools are " 3973 "formatted using a newer software version and\n" 3974 "cannot be accessed on the current system.\n\n")); 3975 (void) printf(gettext("VER POOL\n")); 3976 (void) printf(gettext("--- ------------\n")); 3977 cbp->cb_first = B_FALSE; 3978 } 3979 3980 (void) printf("%2llu %s\n", (u_longlong_t)version, 3981 zpool_get_name(zhp)); 3982 } 3983 3984 zpool_close(zhp); 3985 return (ret); 3986 } 3987 3988 /* ARGSUSED */ 3989 static int 3990 upgrade_one(zpool_handle_t *zhp, void *data) 3991 { 3992 upgrade_cbdata_t *cbp = data; 3993 uint64_t cur_version; 3994 int ret; 3995 3996 if (strcmp("log", zpool_get_name(zhp)) == 0) { 3997 (void) printf(gettext("'log' is now a reserved word\n" 3998 "Pool 'log' must be renamed using export and import" 3999 " to upgrade.\n")); 4000 return (1); 4001 } 4002 4003 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 4004 if (cur_version > cbp->cb_version) { 4005 (void) printf(gettext("Pool '%s' is already formatted " 4006 "using more current version '%llu'.\n"), 4007 zpool_get_name(zhp), cur_version); 4008 return (0); 4009 } 4010 if (cur_version == cbp->cb_version) { 4011 (void) printf(gettext("Pool '%s' is already formatted " 4012 "using the current version.\n"), zpool_get_name(zhp)); 4013 return (0); 4014 } 4015 4016 ret = zpool_upgrade(zhp, cbp->cb_version); 4017 4018 if (!ret) { 4019 (void) printf(gettext("Successfully upgraded '%s' " 4020 "from version %llu to version %llu\n\n"), 4021 zpool_get_name(zhp), (u_longlong_t)cur_version, 4022 (u_longlong_t)cbp->cb_version); 4023 } 4024 4025 return (ret != 0); 4026 } 4027 4028 /* 4029 * zpool upgrade 4030 * zpool upgrade -v 4031 * zpool upgrade [-V version] <-a | pool ...> 4032 * 4033 * With no arguments, display downrev'd ZFS pool available for upgrade. 4034 * Individual pools can be upgraded by specifying the pool, and '-a' will 4035 * upgrade all pools. 4036 */ 4037 int 4038 zpool_do_upgrade(int argc, char **argv) 4039 { 4040 int c; 4041 upgrade_cbdata_t cb = { 0 }; 4042 int ret = 0; 4043 boolean_t showversions = B_FALSE; 4044 char *end; 4045 4046 4047 /* check options */ 4048 while ((c = getopt(argc, argv, ":avV:")) != -1) { 4049 switch (c) { 4050 case 'a': 4051 cb.cb_all = B_TRUE; 4052 break; 4053 case 'v': 4054 showversions = B_TRUE; 4055 break; 4056 case 'V': 4057 cb.cb_version = strtoll(optarg, &end, 10); 4058 if (*end != '\0' || cb.cb_version > SPA_VERSION || 4059 cb.cb_version < SPA_VERSION_1) { 4060 (void) fprintf(stderr, 4061 gettext("invalid version '%s'\n"), optarg); 4062 usage(B_FALSE); 4063 } 4064 break; 4065 case ':': 4066 (void) fprintf(stderr, gettext("missing argument for " 4067 "'%c' option\n"), optopt); 4068 usage(B_FALSE); 4069 break; 4070 case '?': 4071 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4072 optopt); 4073 usage(B_FALSE); 4074 } 4075 } 4076 4077 cb.cb_argc = argc; 4078 cb.cb_argv = argv; 4079 argc -= optind; 4080 argv += optind; 4081 4082 if (cb.cb_version == 0) { 4083 cb.cb_version = SPA_VERSION; 4084 } else if (!cb.cb_all && argc == 0) { 4085 (void) fprintf(stderr, gettext("-V option is " 4086 "incompatible with other arguments\n")); 4087 usage(B_FALSE); 4088 } 4089 4090 if (showversions) { 4091 if (cb.cb_all || argc != 0) { 4092 (void) fprintf(stderr, gettext("-v option is " 4093 "incompatible with other arguments\n")); 4094 usage(B_FALSE); 4095 } 4096 } else if (cb.cb_all) { 4097 if (argc != 0) { 4098 (void) fprintf(stderr, gettext("-a option should not " 4099 "be used along with a pool name\n")); 4100 usage(B_FALSE); 4101 } 4102 } 4103 4104 (void) printf(gettext("This system is currently running " 4105 "ZFS pool version %llu.\n\n"), SPA_VERSION); 4106 cb.cb_first = B_TRUE; 4107 if (showversions) { 4108 (void) printf(gettext("The following versions are " 4109 "supported:\n\n")); 4110 (void) printf(gettext("VER DESCRIPTION\n")); 4111 (void) printf("--- -----------------------------------------" 4112 "---------------\n"); 4113 (void) printf(gettext(" 1 Initial ZFS version\n")); 4114 (void) printf(gettext(" 2 Ditto blocks " 4115 "(replicated metadata)\n")); 4116 (void) printf(gettext(" 3 Hot spares and double parity " 4117 "RAID-Z\n")); 4118 (void) printf(gettext(" 4 zpool history\n")); 4119 (void) printf(gettext(" 5 Compression using the gzip " 4120 "algorithm\n")); 4121 (void) printf(gettext(" 6 bootfs pool property\n")); 4122 (void) printf(gettext(" 7 Separate intent log devices\n")); 4123 (void) printf(gettext(" 8 Delegated administration\n")); 4124 (void) printf(gettext(" 9 refquota and refreservation " 4125 "properties\n")); 4126 (void) printf(gettext(" 10 Cache devices\n")); 4127 (void) printf(gettext(" 11 Improved scrub performance\n")); 4128 (void) printf(gettext(" 12 Snapshot properties\n")); 4129 (void) printf(gettext(" 13 snapused property\n")); 4130 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 4131 (void) printf(gettext(" 15 user/group space accounting\n")); 4132 (void) printf(gettext(" 16 stmf property support\n")); 4133 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4134 (void) printf(gettext(" 18 Snapshot user holds\n")); 4135 (void) printf(gettext(" 19 Log device removal\n")); 4136 (void) printf(gettext(" 20 Compression using zle " 4137 "(zero-length encoding)\n")); 4138 (void) printf(gettext(" 21 Deduplication\n")); 4139 (void) printf(gettext(" 22 Received properties\n")); 4140 (void) printf(gettext(" 23 Slim ZIL\n")); 4141 (void) printf(gettext(" 24 System attributes\n")); 4142 (void) printf(gettext(" 25 Improved scrub stats\n")); 4143 (void) printf(gettext(" 26 Improved snapshot deletion " 4144 "performance\n")); 4145 (void) printf(gettext(" 27 Improved snapshot creation " 4146 "performance\n")); 4147 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 4148 (void) printf(gettext("\nFor more information on a particular " 4149 "version, including supported releases,\n")); 4150 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4151 } else if (argc == 0) { 4152 int notfound; 4153 4154 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4155 notfound = cb.cb_first; 4156 4157 if (!cb.cb_all && ret == 0) { 4158 if (!cb.cb_first) 4159 (void) printf("\n"); 4160 cb.cb_first = B_TRUE; 4161 cb.cb_newer = B_TRUE; 4162 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4163 if (!cb.cb_first) { 4164 notfound = B_FALSE; 4165 (void) printf("\n"); 4166 } 4167 } 4168 4169 if (ret == 0) { 4170 if (notfound) 4171 (void) printf(gettext("All pools are formatted " 4172 "using this version.\n")); 4173 else if (!cb.cb_all) 4174 (void) printf(gettext("Use 'zpool upgrade -v' " 4175 "for a list of available versions and " 4176 "their associated\nfeatures.\n")); 4177 } 4178 } else { 4179 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4180 upgrade_one, &cb); 4181 } 4182 4183 return (ret); 4184 } 4185 4186 typedef struct hist_cbdata { 4187 boolean_t first; 4188 int longfmt; 4189 int internal; 4190 } hist_cbdata_t; 4191 4192 /* 4193 * Print out the command history for a specific pool. 4194 */ 4195 static int 4196 get_history_one(zpool_handle_t *zhp, void *data) 4197 { 4198 nvlist_t *nvhis; 4199 nvlist_t **records; 4200 uint_t numrecords; 4201 char *cmdstr; 4202 char *pathstr; 4203 uint64_t dst_time; 4204 time_t tsec; 4205 struct tm t; 4206 char tbuf[30]; 4207 int ret, i; 4208 uint64_t who; 4209 struct passwd *pwd; 4210 char *hostname; 4211 char *zonename; 4212 char internalstr[MAXPATHLEN]; 4213 hist_cbdata_t *cb = (hist_cbdata_t *)data; 4214 uint64_t txg; 4215 uint64_t ievent; 4216 4217 cb->first = B_FALSE; 4218 4219 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 4220 4221 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 4222 return (ret); 4223 4224 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 4225 &records, &numrecords) == 0); 4226 for (i = 0; i < numrecords; i++) { 4227 if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME, 4228 &dst_time) != 0) 4229 continue; 4230 4231 /* is it an internal event or a standard event? */ 4232 if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD, 4233 &cmdstr) != 0) { 4234 if (cb->internal == 0) 4235 continue; 4236 4237 if (nvlist_lookup_uint64(records[i], 4238 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 4239 continue; 4240 verify(nvlist_lookup_uint64(records[i], 4241 ZPOOL_HIST_TXG, &txg) == 0); 4242 verify(nvlist_lookup_string(records[i], 4243 ZPOOL_HIST_INT_STR, &pathstr) == 0); 4244 if (ievent >= LOG_END) 4245 continue; 4246 (void) snprintf(internalstr, 4247 sizeof (internalstr), 4248 "[internal %s txg:%lld] %s", 4249 zfs_history_event_names[ievent], txg, 4250 pathstr); 4251 cmdstr = internalstr; 4252 } 4253 tsec = dst_time; 4254 (void) localtime_r(&tsec, &t); 4255 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4256 (void) printf("%s %s", tbuf, cmdstr); 4257 4258 if (!cb->longfmt) { 4259 (void) printf("\n"); 4260 continue; 4261 } 4262 (void) printf(" ["); 4263 if (nvlist_lookup_uint64(records[i], 4264 ZPOOL_HIST_WHO, &who) == 0) { 4265 pwd = getpwuid((uid_t)who); 4266 if (pwd) 4267 (void) printf("user %s on", 4268 pwd->pw_name); 4269 else 4270 (void) printf("user %d on", 4271 (int)who); 4272 } else { 4273 (void) printf(gettext("no info]\n")); 4274 continue; 4275 } 4276 if (nvlist_lookup_string(records[i], 4277 ZPOOL_HIST_HOST, &hostname) == 0) { 4278 (void) printf(" %s", hostname); 4279 } 4280 if (nvlist_lookup_string(records[i], 4281 ZPOOL_HIST_ZONE, &zonename) == 0) { 4282 (void) printf(":%s", zonename); 4283 } 4284 4285 (void) printf("]"); 4286 (void) printf("\n"); 4287 } 4288 (void) printf("\n"); 4289 nvlist_free(nvhis); 4290 4291 return (ret); 4292 } 4293 4294 /* 4295 * zpool history <pool> 4296 * 4297 * Displays the history of commands that modified pools. 4298 */ 4299 4300 4301 int 4302 zpool_do_history(int argc, char **argv) 4303 { 4304 hist_cbdata_t cbdata = { 0 }; 4305 int ret; 4306 int c; 4307 4308 cbdata.first = B_TRUE; 4309 /* check options */ 4310 while ((c = getopt(argc, argv, "li")) != -1) { 4311 switch (c) { 4312 case 'l': 4313 cbdata.longfmt = 1; 4314 break; 4315 case 'i': 4316 cbdata.internal = 1; 4317 break; 4318 case '?': 4319 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4320 optopt); 4321 usage(B_FALSE); 4322 } 4323 } 4324 argc -= optind; 4325 argv += optind; 4326 4327 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4328 &cbdata); 4329 4330 if (argc == 0 && cbdata.first == B_TRUE) { 4331 (void) printf(gettext("no pools available\n")); 4332 return (0); 4333 } 4334 4335 return (ret); 4336 } 4337 4338 static int 4339 get_callback(zpool_handle_t *zhp, void *data) 4340 { 4341 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4342 char value[MAXNAMELEN]; 4343 zprop_source_t srctype; 4344 zprop_list_t *pl; 4345 4346 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4347 4348 /* 4349 * Skip the special fake placeholder. This will also skip 4350 * over the name property when 'all' is specified. 4351 */ 4352 if (pl->pl_prop == ZPOOL_PROP_NAME && 4353 pl == cbp->cb_proplist) 4354 continue; 4355 4356 if (zpool_get_prop(zhp, pl->pl_prop, 4357 value, sizeof (value), &srctype) != 0) 4358 continue; 4359 4360 zprop_print_one_property(zpool_get_name(zhp), cbp, 4361 zpool_prop_to_name(pl->pl_prop), value, srctype, NULL, 4362 NULL); 4363 } 4364 return (0); 4365 } 4366 4367 int 4368 zpool_do_get(int argc, char **argv) 4369 { 4370 zprop_get_cbdata_t cb = { 0 }; 4371 zprop_list_t fake_name = { 0 }; 4372 int ret; 4373 4374 if (argc < 3) 4375 usage(B_FALSE); 4376 4377 cb.cb_first = B_TRUE; 4378 cb.cb_sources = ZPROP_SRC_ALL; 4379 cb.cb_columns[0] = GET_COL_NAME; 4380 cb.cb_columns[1] = GET_COL_PROPERTY; 4381 cb.cb_columns[2] = GET_COL_VALUE; 4382 cb.cb_columns[3] = GET_COL_SOURCE; 4383 cb.cb_type = ZFS_TYPE_POOL; 4384 4385 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 4386 ZFS_TYPE_POOL) != 0) 4387 usage(B_FALSE); 4388 4389 if (cb.cb_proplist != NULL) { 4390 fake_name.pl_prop = ZPOOL_PROP_NAME; 4391 fake_name.pl_width = strlen(gettext("NAME")); 4392 fake_name.pl_next = cb.cb_proplist; 4393 cb.cb_proplist = &fake_name; 4394 } 4395 4396 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 4397 get_callback, &cb); 4398 4399 if (cb.cb_proplist == &fake_name) 4400 zprop_free_list(fake_name.pl_next); 4401 else 4402 zprop_free_list(cb.cb_proplist); 4403 4404 return (ret); 4405 } 4406 4407 typedef struct set_cbdata { 4408 char *cb_propname; 4409 char *cb_value; 4410 boolean_t cb_any_successful; 4411 } set_cbdata_t; 4412 4413 int 4414 set_callback(zpool_handle_t *zhp, void *data) 4415 { 4416 int error; 4417 set_cbdata_t *cb = (set_cbdata_t *)data; 4418 4419 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 4420 4421 if (!error) 4422 cb->cb_any_successful = B_TRUE; 4423 4424 return (error); 4425 } 4426 4427 int 4428 zpool_do_set(int argc, char **argv) 4429 { 4430 set_cbdata_t cb = { 0 }; 4431 int error; 4432 4433 if (argc > 1 && argv[1][0] == '-') { 4434 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4435 argv[1][1]); 4436 usage(B_FALSE); 4437 } 4438 4439 if (argc < 2) { 4440 (void) fprintf(stderr, gettext("missing property=value " 4441 "argument\n")); 4442 usage(B_FALSE); 4443 } 4444 4445 if (argc < 3) { 4446 (void) fprintf(stderr, gettext("missing pool name\n")); 4447 usage(B_FALSE); 4448 } 4449 4450 if (argc > 3) { 4451 (void) fprintf(stderr, gettext("too many pool names\n")); 4452 usage(B_FALSE); 4453 } 4454 4455 cb.cb_propname = argv[1]; 4456 cb.cb_value = strchr(cb.cb_propname, '='); 4457 if (cb.cb_value == NULL) { 4458 (void) fprintf(stderr, gettext("missing value in " 4459 "property=value argument\n")); 4460 usage(B_FALSE); 4461 } 4462 4463 *(cb.cb_value) = '\0'; 4464 cb.cb_value++; 4465 4466 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 4467 set_callback, &cb); 4468 4469 return (error); 4470 } 4471 4472 static int 4473 find_command_idx(char *command, int *idx) 4474 { 4475 int i; 4476 4477 for (i = 0; i < NCOMMAND; i++) { 4478 if (command_table[i].name == NULL) 4479 continue; 4480 4481 if (strcmp(command, command_table[i].name) == 0) { 4482 *idx = i; 4483 return (0); 4484 } 4485 } 4486 return (1); 4487 } 4488 4489 int 4490 main(int argc, char **argv) 4491 { 4492 int ret; 4493 int i; 4494 char *cmdname; 4495 4496 (void) setlocale(LC_ALL, ""); 4497 (void) textdomain(TEXT_DOMAIN); 4498 4499 if ((g_zfs = libzfs_init()) == NULL) { 4500 (void) fprintf(stderr, gettext("internal error: failed to " 4501 "initialize ZFS library\n")); 4502 return (1); 4503 } 4504 4505 libzfs_print_on_error(g_zfs, B_TRUE); 4506 4507 opterr = 0; 4508 4509 /* 4510 * Make sure the user has specified some command. 4511 */ 4512 if (argc < 2) { 4513 (void) fprintf(stderr, gettext("missing command\n")); 4514 usage(B_FALSE); 4515 } 4516 4517 cmdname = argv[1]; 4518 4519 /* 4520 * Special case '-?' 4521 */ 4522 if (strcmp(cmdname, "-?") == 0) 4523 usage(B_TRUE); 4524 4525 zpool_set_history_str("zpool", argc, argv, history_str); 4526 verify(zpool_stage_history(g_zfs, history_str) == 0); 4527 4528 /* 4529 * Run the appropriate command. 4530 */ 4531 if (find_command_idx(cmdname, &i) == 0) { 4532 current_command = &command_table[i]; 4533 ret = command_table[i].func(argc - 1, argv + 1); 4534 } else if (strchr(cmdname, '=')) { 4535 verify(find_command_idx("set", &i) == 0); 4536 current_command = &command_table[i]; 4537 ret = command_table[i].func(argc, argv); 4538 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 4539 /* 4540 * 'freeze' is a vile debugging abomination, so we treat 4541 * it as such. 4542 */ 4543 char buf[16384]; 4544 int fd = open(ZFS_DEV, O_RDWR); 4545 (void) strcpy((void *)buf, argv[2]); 4546 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 4547 } else { 4548 (void) fprintf(stderr, gettext("unrecognized " 4549 "command '%s'\n"), cmdname); 4550 usage(B_FALSE); 4551 } 4552 4553 libzfs_fini(g_zfs); 4554 4555 /* 4556 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 4557 * for the purposes of running ::findleaks. 4558 */ 4559 if (getenv("ZFS_ABORT") != NULL) { 4560 (void) printf("dumping core by request\n"); 4561 abort(); 4562 } 4563 4564 return (ret); 4565 } 4566